It ain’t over till it’s over. While everyone’s talking general election politics, Bernie Sanders is still battling to win the Democratic nomination. His decisive Mountain State triumph won’t net many delegates, and the Vermont senator still faces a difficult path to overcome Hillary Clinton’s lead before July’s convention. But recent losses reveal Clinton’s struggles with white working-class voters. Sanders has also pulled the former secretary of state to the left on health care — and now she’ll be forced to spend on TV ads in Kentucky ahead of next week’s primary.