Sen. Richard Burr, R-N.C. speaks during a 2013 news conference on Capitol Hill in Washington.
Sen. Richard Burr, R-N.C. speaks during a 2013 news conference on Capitol Hill in Washington. J. Scott Applewhite AP
Sen. Richard Burr, R-N.C. speaks during a 2013 news conference on Capitol Hill in Washington. J. Scott Applewhite AP