THE man whom Richard Nixon defeated is a professor these days, and he tends to grade the world around him. Last week TIME asked Hubert Humphrey to appraise Nixon's performance as President. He gave Nixon a B in international affairs, but in domestic matters, Humphrey said the President is "in real danger of winding up with a failing grade." Other Humphrey observations:
> On Viet Nam: Do I approve of what he's done in Viet Nam? Of course I do. It's what I advocated during the campaign—troop reductions at a sensible rate. We are on the right course.
> Arms and the ABM:...