Snowy weather cancels Iowa caucus events

Winter storms threaten to complicate turnout in the Iowa caucuses as snowy weather cancels campaign events. 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 #blizzard #weather #abcnews