I could be wrong, but I think Trump was just being “tongue in cheek” on the Oprah thing. I didn’t take his comment seriously.
"It's not the first time he's floated Winfrey as a potential running mate. The Hill notes he made similar suggestions when he discussed running for office in 1999."I've agreed with and would defend Trump on his stands & statements on the issues recently but those could be only the mega-saleman reading the public and telling them what he knows they want to hear. He shows me no reason to trust his commitment to his promises after he makes the sale.