Four things you should know about Trump's VP pick

Donald Trump announced that his vice presidential running mate will be J.D. Vance, the Ohio Senator and a close friend of Trump's son Donald Jr.

While Vance has a long history of harshly criticizing Trump, he has spent the past few years working to pivot to be a MAGA loyalist.

As The Nation's Joan Walsh wrote in June, Vance became the supposed bard of the white working class after he wrote his memoir Hillbilly Elegy. The New York Times promoted it as "a tough love analysis of the poor who back Trump."

Meanwhile...