Biden leads Trump in key states of Arizona, Florida, Michigan: poll

Former Vice President Joe Biden leads President Trump in Michigan, Arizona and Florida, three states the president carried in 2016, according to new polling from CNN and SSRS.Biden leads Trump among registered voters by double digits in Michigan, with 52 percent to Trump’s 40 percent, while leading him by smaller margins in Florida (51 percent to 46 percent) and Arizona (49 percent to 45 percent). All three leads fall outside the poll’s margin…