JOHNSTOWN, Pennsylvania – Kamala Harris had a chance to rally the working class in deep red Pennsylvania. She did an invite-only pit stop instead. Hundreds of supporters chanted “Ka-ma-la” when the vice president arrived Friday at the Johnstown airport. Driving a road lined with Trump signs on her way into town, Harris spoke for 30 minutes at local bookstore, Classic Elements, intending to show her support for small businesses. Later in the day, she rallied in Wilkes-Barre, about 200 miles to the northeast. But in Johnstown, both the airport and bookstore were by invitation only – to the chagrin of...