During a campaign rally in Tucson, Ariz., earlier this month — his first since debating Vice President Kamala Harris — former President Donald Trump doubled down on his false claims that Haitians are stealing and eating people’s pets in Springfield, Ohio. Then, he tossed another small Rust Belt community into the national spotlight. “Likewise, a small 4,000-person town, Charleroi, Pennsylvania,” Trump said. “Have you ever heard of it? Charleroi. What a beautiful name. But it’s not beautiful now. It’s experienced a 2,000 percent increase in the population of Haitian migrants under Kamala Harris…