Virtual tie for Dems'#IAcaucus;@HillaryClintonand@BernieSanderslocked in dead heat:https://t.co/3g9mXCKfyEpic.twitter.com/4ps5J61QRy — CBS News Politics (@CBSPolitics)February 2, 2016 A self-declared democratic socialist from Vermont, Sanders drew large, youthful crowds across the state wit...