 But he had some stuff to say. I mean, okay. Maybe some people have changed their minds. When Donald Trump first ran for president in 2016, one of his steadfast critics within the Republican Party was J.D. Vance, then a young lawyer and venture capitalist, who in June of that year published a best-selling book about his upbringing in Appalachia and the Rust Belt. Here's what he said. I can't stomach Trump.