Republican Presidential Debate in Boulder (29 images)

Donald Trump speaks while Sen. Marco Rubio takes notes during the third Republican Party presidential candidates' debate at the Coors Event Center on the campus of the University of Colorado on October 27, 2015 in Boulder, Colorado. Fourteen candidates will make an appearance at the third GOP presidential debate on October 28th. Pool photo by Jason Bahr/UPI

Sen. Marco Rubio (L), Donald Trump, and Dr. Ben Carson (R) applaud during introductions for the third Republican Party presidential candidates' debate at the Coors Event Center on the campus of the University of Colorado on October 28, 2015 in Boulder, Colorado. Fourteen candidates will make an appearance at the third GOP presidential debate. Photo by Gary C. Caskey/UPI

Sen. Ted Cruz (R) and Dr. Ben Carson give interviews after the third Republican Party presidential candidates' debate at the Coors Event Center on the campus of the University of Colorado on October 28, 2015 in Boulder, Colorado. Fourteen candidates will make an appearance at the third GOP presidential debate. Photo by Gary C. Caskey/UPI

Donald Trump has to wait for interview in the media room after the third Republican Party presidential candidates' debate at the Coors Event Center on the campus of the University of Colorado on October 28, 2015 in Boulder, Colorado. Fourteen candidates will make an appearance at the third GOP presidential debate. Photo by Gary C. Caskey/UPI