Donald Trump has expressed smug confidence that he will hold onto a rapidly growing Pennsylvania county he easily won in 2020 — so much so that some of his canvassers say he’s taken his foot off the gas. In Lancaster County, Trump took 57 percent of the vote in 2020 against Joe Biden’s 41 percent. He got more votes there than in the more populous Philadelphia County. This time both Trump and Kamala Harris have invested heavily in one of the fastest-growing areas in the must-win state, reported NOTUS. “The turnout in Lancaster is incredibly important to a win in Pennsylvania and, of course, the…