Sen. Claire McCaskill, D-Mo., ranking member on the Senate Permanent subcommittee on Investigations, speaks during the subcommittee's hearing on Jan. 28, 2016, on Capitol Hill in Washington.
Sen. Claire McCaskill, D-Mo., ranking member on the Senate Permanent subcommittee on Investigations, speaks during the subcommittee's hearing on Jan. 28, 2016, on Capitol Hill in Washington. Manuel Balce Ceneta AP
Sen. Claire McCaskill, D-Mo., ranking member on the Senate Permanent subcommittee on Investigations, speaks during the subcommittee's hearing on Jan. 28, 2016, on Capitol Hill in Washington. Manuel Balce Ceneta AP