 He shouldn't be tested again. He has more important things to do, like be a part of running this country. And he clearly has a diminished level of energy, so we should protect the office of the presidency so that the president can do the job as best he can. But in addition to that, if we're in a position in this country where the two people running for president of the United States, both of whom have served in that office for four years, both of whom bear the title of president,