TOPSHOT - Democratic Presidential Candidate Bernie Sanders speaks at the University of Iowa in Iowa City, Iowa, January 30, 2016, ahead of the Iowa Caucus. / AFP / Jim WATSON (Photo credit should read JIM WATSON/AFP/Getty Images)
TOPSHOT - Democratic Presidential Candidate Bernie Sanders speaks at the University of Iowa in Iowa City, Iowa, January 30, 2016, ahead of the Iowa Caucus. / AFP / Jim WATSON (Photo credit should read JIM WATSON/AFP/Getty Images)