At his side has been First Buddy Elon Musk, the billionaire who once said he’d rather “stay out of politics” and then set that side to barnstorm Pennsylvania on Trump’s behalf has settled in nicely and become a central figure in the transition, making himself home at Mar-a-Lago and tweeting up a storm about his new advisory role.

Trump has been running nearly every cabinet pick by Musk, one source said — despite having a whole transition team at his beck and call.