Anderson Cooper will moderate the Tuesday, Oct. 18 debate presented by CNN and the Western Republican Leadership Conference. The debate airs live from 8 p.m. to 10 p.m. ET from The Venetian Resort Hotel Casino in Las Vegas.
Do you have a question for one of the candidates? It could be asked at the debate, so submit your question ideas now!
CNN will also solicit questions and comments submitted in real-time Tuesday on the CNN Politics fan page on Facebook and by using the #CNNDebate hashtag on Twitter.