Haley, DeSantis prepare to face off in final debate ahead of Iowa caucuses

Nikki Haley and Ron DeSantis will go head-to-head on the debate stage for the first time as they wage an increasingly contentious push to become the primary alternative to Donald Trump. WATCH the ABC News Live Stream Here: https://www.youtube.com/watch?v=w_Ma8oQLmSM SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews FOLLOW ABC News on X: https://twitter.com/abc #politics #iowa #nikkihaley #rondesantis #2024elections #gma #abcnews