Former President Donald Trump making his final pitches to voters. Ron DeSantis going door to door in freezing temperatures, with Nikki Haley gaining ground over him in the polls. WATCH FULL EPISODES OF WORLD NEWS TONIGHT: https://abc.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://bit.ly/3iQLwPp #news #iowa #trump #republicans