Over 90 million Americans are under winter weather alerts Sunday morning after the brutal cold caused at least 67 deaths. 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 #weather #winter #abcnews