Republican presidential candidate U.S. Rep. Ron Paul, R-Texas, gestures for the audience to settle down after taking the stage during a campaign event at the Four Seasons Las Vegas on Wednesday, Feb. 1, 2012.

Karoun Demirjian

Republican presidential candidate U.S. Rep. Ron Paul, R-Texas, gestures for the audience to settle down after taking the stage during a campaign event at the Four Seasons Las Vegas on Wednesday, Feb. 1, 2012.