Donald Trump may have just endorsed his successor ... 'cause he says Stephen A. Smith has all the necessary skills to be POTUS -- most especially, entertainment value.
The president gave a phone interview on NewsNation Wednesday night ... chatting with Bill O'Reilly, Chris Cuomo and Stephen A. -- when Bill asked him what he thought of Stephen taking a shot at the highest office in the land.
PRESIDENTIAL ENDORSEMENT NewsNation
ICYMI .