Sen. Richard Burr, R-N.C., shown leaving a closed-door GOP caucus luncheon at the Capitol in Washington, D.C. on Tuesday, Jan. 14, 2014.
Sen. Richard Burr, R-N.C., shown leaving a closed-door GOP caucus luncheon at the Capitol in Washington, D.C. on Tuesday, Jan. 14, 2014. J. Scott Applewhite AP
Sen. Richard Burr, R-N.C., shown leaving a closed-door GOP caucus luncheon at the Capitol in Washington, D.C. on Tuesday, Jan. 14, 2014. J. Scott Applewhite AP