Vice President Harris has reversed her 2019 campaign position on fracking, signaling a move to the center on the issue. The rightward shift comes as she tries to court swing voters in states like Pennsylvania. “Fracking is a central part, a foundational part, a significant portion of Pennsylvania’s economy. The economic argument is going to be extremely significant nationally, and in the States, it’s the top issue on voters’ minds,” said Jon Reinish, a national Democratic strategist. Others disagreed, saying they don’t believe her stance on fracking will have major implications for the race. Her path to victory in key...