WASHINGTON—Joe Biden, who is poised to earn enough delegates to formally clinch the Democratic presidential nomination this month, will enter the general election campaign on offense in a group of states President Trump won in 2016. As the nation battles a pandemic, high unemployment and civil unrest associated with protests against police brutality and the killing of a black man, polls show Mr. Trump trailing Mr. Biden in five states he narrowly carried four years ago: Florida, Michigan, Pennsylvania, Wisconsin and Arizona....

Source: Wall Street Journal June 02, 2020 13:00 UTC