Trump is yet to officially announce a return to the campaign trail but is rumored to be considering his former White House press secretary Sarah Huckabee Sanders or Sen. Tim Scott (R-S.C.) should he run again.
Fallon suggested a questionnaire would narrow down the field.
Questions included: “Where do you see yourself testifying in five years?”
And, “Why should I hire and eventually fire you?”
Watch Fallon’s monologue here: