This year, exit polls of Democratic voters showed whites narrowly preferred Vermont Sen. Bernie Sanders. South Carolina Democratic Chairman Jaime Harrison, whose early voting state offers the first primary contest with a large contingent of black voters, singled out black women. Black voters embraced the possibility of Obama becoming the nation's first black president. (AP Photo/John Locher, File)Eight years ago, exit polls showed Hillary Clinton with comfortable margins over now-President Barack Obama among whites and Latinos during the Democratic primary season. Clinton defeated Sanders in the same nine states, as well, and won 77 percent of the black vote in states with exit polling.

Source: Fox News June 12, 2016 16:25 UTC