Pete Buttigieg, U.S. secretary of transportation nominee for U.S. President Joe Biden, center, wears a protective mask while talking to United States Senator Roger Wicker (Republican of Mississippi), Chairman, US Senate Committee on Commerce, Science, & Transportation, right, during a confirmation hearing in Washington, D.C., U.S., on Thursday, Jan. 21, 2021. Buttigieg, is pledging to carry out the administration's ambitious agenda to rebuild the nation's infrastructure, calling it a "generational opportunity" to create new jobs, fight economic inequality and stem climate change. Credit: Stefani Reynolds / Pool via CNP | usage worldwide