PHILADELPHIA — Pennsylvania Democrats are exasperated with Vice President Kamala Harris‘s problems appealing to blue-collar union workers, with the lack of support undermining her electoral prospects in the Keystone State on Tuesday.

Former President Donald Trump and Tesla, SpaceX, and X billionaire businessman Elon Musk have been crisscrossing Pennsylvania, the commonwealth that could decide next week’s election, and other battleground states, both of whom have mixed records regarding unions but also enormous appeal among the crucial voting bloc.