This combination of file photos shows Democratic presidential hopefuls Bernie Sanders(L)on March 31, 2016 and Hillary Clinton on March 30, 2016,
US presidential primaries spark back to life April 5, 2016 after an eventful 10-day break. For Clinton, a loss in Wisconsin would be more symbolic than anything else, as the state distributes delegates proportionally according to the primary results.
But she comes into the contest having lost five of the last six states to Bernie Sanders, and polls show him finishing on top in Wisconsin.
 / AFP / PHOTO DESK        (Photo credit should read PHOTO DESK/AFP/Getty Images)