Democratic presidential candidate Joe Biden leads President Donald Trump in the battleground states of Michigan, Minnesota, and Pennsylvania, according to Fox News statewide registered voter surveys. Biden benefits from strong support among women, nonwhite voters, and those living in suburban areas, while Trump suffers from a lackluster performance among men and White voters. In each state’s head-to-head matchup, the president underperforms both his 2016 vote share and his current job approval rating -- and Biden’s edge is larger than the survey’s margin of sampling error. At the same time, a lot could change between now and the election, which is...