There was a time in America when political violence provoked near-universal horror and condemnation. In 1981, President Ronald Reagan was a deeply polarizing figure — but when he was shot, his surgeon famously said, “Today, Mr. President, we are all Republicans.” That principle is fading, as we saw last month after the murder of Charlie Kirk . In a Manhattan store, I overheard a customer discussing that news: “I agree he was evil, but I do not think he could’ve been shot by anyone more evil.” “