Democrats pack Iowa venue to watch face-off between Clinton and Sanders... but leave in droves when O'Malley takes the stage
http://www.dailymail.co.uk/news/article-3198951/I-O-W-no-thanks-O-Malley-won-t-stay-don-t-really-care-Chafee-say-Democrats-leave-sold-party-en-masse-Clinton-Sanders-speak.html