JD Vance is a relative political unknown. He’s been asked to help Donald Trump avenge his loss

MILWAUKEE (AP) — JD Vance is supposed to help Donald Trump win the Midwest this fall.

But almost immediately after the Ohio senator was announced as Trump’s vice presidential pick on Monday, one thing became clear: Vance, a 39-year-old Republican with less than two years in Congress, is not well-known among many in his party, even in the swing states Trump hopes he’ll deliver.

Michigan Republican Party Chairman Pete Hoekstra offered a blunt response when asked about Trump’s pick minutes after it was announced...