For all the attention Donald Trump has gotten, more people have voted for Hillary Clinton than any single candidate. Of course, Republicans have had a much bigger field — and record turnout.
Trump says the new voters he's turning out can put Midwestern swing states in play. But it's a gamble whether he could win over enough white voters for every minority voter he drives the other way.
Sanders has won some of his biggest margins with white men, while Hillary Clinton has won big with African Americans. They might tell you where they can most win in the primaries coming up.
The Vermont independent won the Michigan primary, in part, because of strong support from white men, upset about stagnant wages and jobs sent offshore. Now, that demographic could help him win Ohio.
Sanders has a steep hill to climb to win enough delegates in the presidential primary. But he doesn't seem deterred, telling NPR, "I am used to climbing steep hills."
More than 300 delegates are at stake. Michigan is the state to watch. Sanders has a chance to start to reverse the narrative — and Trump needs to quell conversation of a brokered convention.