Attorney General Griffin B. Bell announces broader powers for the special counsel investigating President Carter's family peanut business at a Washington news conference, Friday, March 23, 1979. Bell said the changes should provide the same degree of independence that Watergate prosecutors had. (AP Photo/Barry Thumma)

Tennessee Gov. Ray Blanton, center, leaves the federal courthouse in Nashville, Tenn. after two hours of questioning December 22, 1978 by a Federal grand jury investigating the state parole-selling scandal. Blanton had no immediate comment. Blanton is accompanied by counsel Jim Neal, left. Neal, a Nashville lawyer, is a former Watergate special prosecutor. (AP Photo)

Host Dick Cavett, center, chats with Watergate reporter and author Carl Bernstein, right, and Joseph DiMona, left, co-author with H.R. Haldeman of the book ??sThe Ends of Power,??? Feb. 20, 1978 in New York City before the taping of the Dick Cavett show. (AP Photo/Marty Lederhandler)

Carl Bernstein, right, newsman who reported the Watergate story for the Washington Post, gestures as he talks with host Dick Cavett during taping of the Dick Cavett show, Feb. 20, 1978 in New York City. Listening at left is Joseph Di Mona, a former Washington Post reporter who co-authored H.R. Haldeman???s ??sThe Ends of Power,??? a book about Watergate. (AP Photo/Marty Lederhandler)

Frank Sturgis, convicted Watergate conspirator, is seen at a press conference, Nov. 3, 1977. (AP Photo)

Watergate mastermind G. Gordon Liddy talks with reporters during his interview in Washington, D.C. on Sept. 9, 1977 since leaving prison. Liddy said that if a president asked him to repeat the work he performed in the Watergate break-in, he would answer

Watergate burglar E. Howard Hunt, left, embraces Cuban exile Manuel Artime, a leader of the 1963 Bay of Pigs invasion of Cuba, after a news conference in Miami, March 3, 1977. (AP Photo)

Convicted Watergate burglar E. Howard Hunt addresses the press in Brookline, Mass., on Feb. 25, 1977. This is his first public appearance after his release from federal prison. (AP Photo)

Former Georgia Gov. Jimmy Carter, right, drew about 5,000 people to Youngstown's Federal Plaza in his quest for support in Tuesday's Ohio Democratic primary, Sunday, June 7, 1976, Youngstown, Oh. The Presidential hopeful waded into the crowd, shaking hands and signing autographs. Carter, speaking to the largest crowd to assemble during his Ohio campaign, said 1976 would be a Democratic year because of the Watergate aftermath and other national ills. (AP Photo)

Former Georgia Gov. Jimmy Carter drew about 5,000 people to Youngstown's Federal Plaza on Sunday, June 7, 1976 in his quest for support in Tuesday's Ohio Democratic primary. The presidential hopeful waded into the crowd, shaking hands and signing autographs Carter, speaking to the largest crowd to assemble during his Ohio campaign, said 1976 would be a democratic year because of the Watergate aftermath and other national Ills. (AP Photo)

Sargent Shriver holds a press conference in Boston, March 1, 1976 to announce that Congressman Walter Fauntroy, (D-WDC), left, and Jill Volner, the former assistant Watergate special prosecutor, right, would support him as he searched for votes in the Massachusetts presidential primary where Shriver is running on the Democratic ticket. (AP Photo)

FILE - In this Oct. 20,1973, file photo Attorney General Elliot Richardson waves to media as he leaves the Justice Department in Washington after resigning, following President Richard Nixon's firing of Watergate special prosecutor Archibald Cox. Materials released by the Nixon Presidential Library on Tuesday, June 23, 2009, show aides trying to head off a U.S. constitutional crisis and save a presidency after Nixon fired Cox and forced out Richardson and Deputy Atty. Gen. Million Ruckelshaus when Cox objectioned to a proposed Watergate tapes compromise and said he would ask federal courts to act on President Richard Nixon's

Leon Jaworski, former Watergate prosecutor, testifies in Washington, July 30, 1975. (AP Photo)

John D. Ehrlichman, a key figure in the Watergate scandal, is surrounded by reporters outside the U.S. District Court in Washington, D.C., Feb. 22, 1975. Ehrlichman was convicted of conspiracy and perjury and served 18 months in prison. (AP Photo)

Watergate defendant John Ehrlichman talks with reporters following his conviction in the Watergate cover-up trial Jan. 1, 1975 in Washington. (AP Photo)

Watergate defendant John Ehrlichman talks with reporters following his conviction in the Watergate cover-up trial Jan. 1, 1975 in Washington. (AP Photo)

James Neal, left, and Richard Ben-Veniste, two of the chief prosecutors in the Watergate cover-up trial leave the U.S. District Court building during a break in the trail in Washington, on Wednesday, Jan. 1, 1975. The jury is in its third day of considering the case. (AP Photo)

John D. Ehrlichman, a key figure in the Watergate scandal, is surrounded by reporters as he leaves the U.S. District Court after he was found guilty in the Watergate cover-up trial in Washington, D.C., Wednesday, Jan. 1, 1975. Ehrlichman was convicted of conspiracy and perjury and served 18 months in prison. (AP Photo)

Artist Steven Kidd sketched some of the people involved in the Watergate cover-up trial Monday, December 31, 1974 in Washington. Starting from upper left, clockwise are: U. S. District Judge John J. Sirica, Assistant Watergate Prosecutor James Neal, defendant H. R. Haldeman, defendant Robert Mardian, defendant Kenneth Parkinson, defendant John Mitchell, and defendant John D. Ehrlichman in the center. (AP Photo)

Deputy CIA Director Vernon A. Welters is the center of attention for cameramen as he arrives at U.S. District Court for the Watergate cover-up trial in Washington on Friday, Nov. 15, 1974. Walters is scheduled to testify on the agency's reaction in the days following the June 17, 1972 break-in at Democratic National Committee headquarters. (AP Photo)