Trump is set to hold another rally at 7 p.m. Saturday at the Harrisburg International Airport, despite Wolf’s public pleas for the president not to endanger Pennsylvanians. The governor said he sent a letter to the president earlier this month asking that he abide by public health guidance in visits to the commonwealth. Wolf called Trump’s insistence on holding Saturday’s event “gravely concerning.” “No matter what party you support, all Americans should be very concerned that the President has put headlines and publicity above the health and safety of our families and communities," said Wolf, a Democrat. “It is dangerous...