Elaine Chao arrived at Trump Tower last week to meet with President-elect Donald Trump. On Tuesday, he announced she was his pick to lead the Department of Transportation.
Eduardo Munoz Alvarez/AFP/Getty Images
Firefighters douse blazes after a freight train loaded with oil derailed in Lac-Mégantic in Canada's Quebec province on July 6, 2013, sparking explosions that engulfed about 30 buildings in fire.
Charlotte Mayor Anthony Foxx addresses the Democratic National Convention in Charlotte, N.C., on Sept. 4. President Obama on Monday will nominate Foxx as his new transportation secretary.
J. Scott Applewhite/AP