Russia's President Vladimir Putin addresses the Federation Council in Moscow's Kremlin on Tuesday, March 18, 2014. President Vladimir Putin defended Russia's move to annex Crimea, saying that the rights of ethnic Russians have been abused by the Ukrainian government. He pointed at the example of Kosovo's independence bid supported by the West, and said that Crimea's secession from Ukraine repeated Ukraine's own secession from the Soviet Union in 1991. (AP Photo/Alexander Zemlianichenko), APTOPIX

Russia's President Vladimir Putin addresses the Federation Council in Moscow's Kremlin on Tuesday, March 18, 2014. President Vladimir Putin defended Russia?s move to annex Crimea, saying that the rights of ethnic Russians have been abused by the Ukrainian government. He pointed at the example of Kosovo?s independence bid supported by the West, and said that Crimea?s secession from Ukraine repeated Ukraine?s own secession from the Soviet Union in 1991. (AP Photo/Alexander Zemlianichenko)

Russia's President Vladimir Putin addresses the Federation Council in Moscow's Kremlin on Tuesday, March 18, 2014. President Vladimir Putin defended Russia's move to annex Crimea, saying that the rights of ethnic Russians have been abused by the Ukrainian government. He pointed at the example of Kosovo's independence bid supported by the West, and said that Crimea's secession from Ukraine repeated Ukraine's own secession from the Soviet Union in 1991. (AP Photo/Alexander Zemlianichenko)

Russia's President Vladimir Putin addresses the Federation Council in Moscow's Kremlin on Tuesday, March 18, 2014. President Vladimir Putin defended Russia's move to annex Crimea, saying that the rights of ethnic Russians have been abused by the Ukrainian government. He pointed at the example of Kosovo's independence bid supported by the West, and said that Crimea's secession from Ukraine repeated Ukraine's own secession from the Soviet Union in 1991. (AP Photo/Sergei Ilnitsky, pool)

Russia's President Vladimir Putin arrives to address a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/ RIA-NOVOSTI/ POOL/ ALEXEI NIKOLSKY

Russia's President Vladimir Putin arrives to address a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. Putin signed today a treaty with the leaders of Crimea on the Ukrainian Black Sea peninsula becoming part of Russia, state television showed. AFP PHOTO/ POOL/ SERGEI ILNITSKY

Russia's President Vladimir Putin addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. Putin signed today a treaty with the leaders of Crimea on the Ukrainian Black Sea peninsula becoming part of Russia, state television showed. AFP PHOTO/ POOL/ SERGEI ILNITSKY

Russia's President Vladimir Putin addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. Putin signed today a treaty with the leaders of Crimea on the Ukrainian Black Sea peninsula becoming part of Russia, state television showed. AFP PHOTO/ POOL/ SERGEI ILNITSKY

Russia's President Vladimir Putin addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. Putin signed today a treaty with the leaders of Crimea on the Ukrainian Black Sea peninsula becoming part of Russia, state television showed. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. Putin signed today a treaty with the leaders of Crimea on the Ukrainian Black Sea peninsula becoming part of Russia, state television showed. AFP PHOTO/KIRILL KUDRYAVTSEV

Handout picture of President of Russia Vladimir Putin, deputies, regional executives and delegates of non governmental organization meet due to evaluate the decision of joining Crimea to Russia in Moscow, Russia on March 18, 2014. President of Russia Putin gives a speech. Hand Out Photo by Kremlin Press Information Centre/AA/ABACAPRESS.COM

Handout picture of President of Russia Vladimir Putin, deputies, regional executives and delegates of non governmental organization meet due to evaluate the decision of joining Crimea to Russia in Moscow, Russia on March 18, 2014. President of Russia Putin gives a speech. Hand Out Photo by Kremlin Press Information Centre/AA/ABACAPRESS.COM

Russia's President Vladimir Putin addresses the Federation Council in Moscow's Kremlin on Tuesday, March 18, 2014. President Vladimir Putin defended Russia's move to annex Crimea, saying that the rights of ethnic Russians have been abused by the Ukrainian government. He pointed at the example of Kosovo's independence bid supported by the West, and said that Crimea's secession from Ukraine repeated Ukraine's own secession from the Soviet Union in 1991. (AP Photo/Alexander Zemlianichenko)

Russia's President Vladimir Putin addresses the Federation Council in Moscow's Kremlin on Tuesday, March 18, 2014. President Vladimir Putin defended Russia's move to annex Crimea, saying that the rights of ethnic Russians have been abused by the Ukrainian government. He pointed at the example of Kosovo's independence bid supported by the West, and said that Crimea's secession from Ukraine repeated Ukraine's own secession from the Soviet Union in 1991. (AP Photo/Alexander Zemlianichenko)

U.S. Vice President Joe Biden, sitting second right, Polish Foreign Minister Radek Sikorski, left, and Polish Prime Minister Donald Tusk, second far left begin talks in Warsaw, Poland, Tuesday, March 18, 2014. Biden arrived in Warsaw for consultations with Prime Minister Donald Tusk and President Bronislaw Komorowski, a few hours after Russian President Vladimir Putin approved a draft bill for the annexation of Crimea, one of a flurry of steps to formally take over the Black Sea peninsula. (AP Photo/Alik Keplicz)

Russia's President Vladimir Putin addresses the Federation Council in Moscow's Kremlin on Tuesday, March 18, 2014. President Vladimir Putin defended Russia's move to annex Crimea, saying that the rights of ethnic Russians have been abused by the Ukrainian government. He pointed at the example of Kosovo's independence bid supported by the West, and said that Crimea's secession from Ukraine repeated Ukraine's own secession from the Soviet Union in 1991. (AP Photo/Sergei Ilnitsky, pool)

Russia's President Vladimir Putin addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin arrives to address a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin (L) addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/ RIA-NOVOSTI/ POOL/ ALEXEY DRUZHININ

Russia's President Vladimir Putin (L) addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/ RIA-NOVOSTI/ POOL/ ALEXEY DRUZHININ

Russia's President Vladimir Putin addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/ RIA-NOVOSTI/ POOL/ ALEXEI NIKOLSKY

Russia's President Vladimir Putin (C) addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/ RIA-NOVOSTI/ POOL/ ALEXEY DRUZHININ

Russia's President Vladimir Putin addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. Putin signed today a treaty with the leaders of Crimea on the Ukrainian Black Sea peninsula becoming part of Russia, state television showed. AFP PHOTO/ POOL/ SERGEI ILNITSKY

Russia's President Vladimir Putin addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. Putin signed today a treaty with the leaders of Crimea on the Ukrainian Black Sea peninsula becoming part of Russia, state television showed. AFP PHOTO/ POOL/ SERGEI ILNITSKY

Russia's President Vladimir Putin arrives to address a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. Putin signed today a treaty with the leaders of Crimea on the Ukrainian Black Sea peninsula becoming part of Russia, state television showed. AFP PHOTO/ POOL/ SERGEI ILNITSKY

Russia's President Vladimir Putin addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. Putin signed today a treaty with the leaders of Crimea on the Ukrainian Black Sea peninsula becoming part of Russia, state television showed. AFP PHOTO/ POOL/ SERGEI ILNITSKY

Crimean parliament speaker Vladimir Konstantionov (5th R) and Crimean Prime Minister Sergei Aksyonov (4th R) applaud together with Russian parliament lawmakers while listening to President Vladimir Putin's address at a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. Putin signed today a treaty with the leaders of Crimea on the Ukrainian Black Sea peninsula becoming part of Russia, state television showed. AFP PHOTO/ POOL/ SERGEI ILNITSKY

Russia's President Vladimir Putin (2nd R), Crimean Prime Minister Sergei Aksyonov (L), Crimean parliament speaker Vladimir Konstantionov (2nd L) and Alexei Chaly, Sevastopol's new de facto mayor (R), sign a treaty on the Ukrainian Black Sea peninsula becoming part of Russia in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin (2nd R), Crimean Prime Minister Sergei Aksyonov (L), Crimean parliament speaker Vladimir Konstantionov (2nd L) and Alexei Chaly, Sevastopol's new de facto mayor (R), sign a treaty on the Ukrainian Black Sea peninsula becoming part of Russia in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin (2nd R), Crimean Prime Minister Sergei Aksyonov (L), Crimean parliament speaker Vladimir Konstantinov (2nd L) and Alexei Chaly, Sevastopol's new de facto mayor (R), applaud after signing a treaty on the Ukrainian Black Sea peninsula becoming part of Russia in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin (2nd R), Crimean Prime Minister Sergei Aksyonov (L), Crimean parliament speaker Vladimir Konstantinov (2nd L) and Alexei Chaly, Sevastopol's new de facto mayor (R), look on after signing a treaty on the Ukrainian Black Sea peninsula becoming part of Russia in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin (2nd R), Crimean Prime Minister Sergei Aksyonov (L), Crimean parliament speaker Vladimir Konstantinov (2nd L) and Alexei Chaly, Sevastopol's new de facto mayor (R), join hands after signing a treaty on the Ukrainian Black Sea peninsula becoming part of Russia in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin (2nd R), Crimean Prime Minister Sergei Aksyonov (L), Crimean parliament speaker Vladimir Konstantinov (2nd L) and Alexei Chaly, Sevastopol's new de facto mayor (R), join hands after signing a treaty on the Ukrainian Black Sea peninsula becoming part of Russia in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin (2nd R), Crimean Prime Minister Sergei Aksyonov (L), Crimean parliament speaker Vladimir Konstantinov (2nd L) and Alexei Chaly, Sevastopol's new de facto mayor (R), join hands after signing a treaty on the Ukrainian Black Sea peninsula becoming part of Russia in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin (2nd R), Crimean Prime Minister Sergei Aksyonov (L), Crimean parliament speaker Vladimir Konstantinov (2nd L) and Alexei Chaly, Sevastopol's new de facto mayor (R), join hands after signing a treaty on the Ukrainian Black Sea peninsula becoming part of Russia in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin (2nd R), Crimean Prime Minister Sergei Aksyonov (L), Crimean parliament speaker Vladimir Konstantinov (2nd L) and Alexei Chaly, Sevastopol's new de facto mayor (R), join hands after signing a treaty on the Ukrainian Black Sea peninsula becoming part of Russia in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/POOL / SERGEI ILNITSKY

Russia's President Vladimir Putin (2nd R), Crimean Prime Minister Sergei Aksyonov (L), Crimean parliament speaker Vladimir Konstantinov (2nd L) and Alexei Chaly, Sevastopol's new de facto mayor (R), join hands after signing a treaty on the Ukrainian Black Sea peninsula becoming part of Russia in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/POOL / SERGEI ILNITSKY

Russia's President Vladimir Putin (2nd R), Crimean Prime Minister Sergei Aksyonov (L), Crimean parliament speaker Vladimir Konstantinov (2nd L) and Alexei Chaly, Sevastopol's new de facto mayor (R), join hands after signing a treaty on the Ukrainian Black Sea peninsula becoming part of Russia in the Kremlin in Moscow on March 18, 2014. AFP PHOTO/POOL / SERGEI ILNITSKY

Russia's President Vladimir Putin (back C) addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. Putin signed today a treaty with the leaders of Crimea on the Ukrainian Black Sea peninsula becoming part of Russia, state television showed. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin drinks as he addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. Putin signed today a treaty with the leaders of Crimea on the Ukrainian Black Sea peninsula becoming part of Russia, state television showed. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's President Vladimir Putin drinks as he addresses a joint session of Russian parliament on Crimea in the Kremlin in Moscow on March 18, 2014. Putin signed today a treaty with the leaders of Crimea on the Ukrainian Black Sea peninsula becoming part of Russia, state television showed. AFP PHOTO/KIRILL KUDRYAVTSEV

Handout picture of President of Russia Vladimir Putin, deputies, regional executives and delegates of non governmental organization meet due to evaluate the decision of joining Crimea to Russia in Moscow, Russia on March 18, 2014. President of Russia Putin gives a speech. Hand Out Photo by Kremlin Press Information Centre/AA/ABACAPRESS.COM