be president for four years, presumably, he would serve four, and he would be 82 by the time his term ended. he, more than anybody i know is aware of what the presidency requires. the energy that it takes. if you are doing it in a conventional way. if you are spending six hours a day watching televig. it may be less taxing. if you do what most presidents do, making decisions on a minute to minute basis, that is wearing that is why all those men, their hair turned gla. when i worked for president obam ai watched his hair gray. biden knows that he understands, he was there every step of the way. it has to give him pause. if he runs the campaign, it would be a test. people will see if he is