As he prepares to become the nation’s first millennial vice president, JD Vance is already a budding kingmaker in Republican politics and the presumptive heir to the “Make America Great Again” movement.

It was "somewhat absurd" for him to write a book with little noteworthy life experience and no important titles to his name. Nine years later, he's preparing to be sworn in as the 50th vice president of the United States.

JD Vance will serve as Donald Trump's vice president. The two haven't always seen eye-to-eye.