When President Biden heard that Donald Trump had picked J.D. Vance to be his running mate, he called the Ohio senator "a clone" of Trump. But when Vance first gained national attention, he was one of Trump's loudest critics.

Vance first drew the national spotlight in 2016 with the publication of his memoir "Hillbilly Elegy." The book served as a biography of his upbringing in America's Rust Belt and social commentary on the white working class at a time when many were trying to understand those voting for Donald Trump.

On the press tour for that book Vance had a lot of negative things to say about Donald Trump. He said Trump was unfit for the nation's highest office, and in unearthed private messages, he compared Trump to Adolf Hitler.

J.D Vance went from New York Times bestselling author, to senator, to Vice Presidential candidate. That political journey has brought him closer and closer to a presidential candidate he once professed to despise.

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