They’re back at it. Two days after a resounding victory in New Hampshire for the Vermont senator, the White House hopefuls debated in Wisconsin. Hillary Clinton embraced Obama, who’s still popular with Democrats, and argued that Bernie Sanders needs to “level with people” about the costs of his proposals. Meanwhile, a finger-wagging Sanders said it’s more about political “courage” and even promised race relations would “absolutely” be better under him than Obama. Both candidates are vying for an edge ahead of the Nevada caucus on Feb. 20.