Republican candidates give final push in Iowa before caucus

ABC News’ MaryAlice Parks reports on the final push by Republican candidates before the caucuses as they spread out across the state to appeal to voters. 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 TWITTER: https://twitter.com/abc #news #politics #iowa #republican #2024elections #abcnews