'Can't get behind Donald Trump': Hear why GOP senator isn't ruling out… CNN 0 50 03.25 08:49 https://www.youtube.com/watch?v=RCzJrq4n1tE + 9 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 9 'Can't get behind Donald Trump': Hear why GOP senator isn't ruling out leaving the party