Sally Yates, former acting U.S. attorney general, swears in to a Senate Judiciary Subcommittee on Crime and Terrorism hearing in Washington, D.C., U.S., on Monday, May 8, 2017. Yates said she warned the White House's top lawyer in late January that then-National Security Adviser Michael Flynn had misled Vice President Mike Pence and others about contacts with Russian officials and was potentially subject to blackmail by them. Photographer: Andrew Harrer/Bloomberg via Getty Images
