At least John McCain is back to his old self. This assumes, of course, at some point he wasn't.Believe me, he was. (See the entire 2008 campaign).He's back to being the crotchety old Republicrat spitfire, Mac the Mav.That reach-across-the-aisle, strolling-down-the-median joie de vivre he possesses (and can beckon at will) is throttling up for the new administration.Goodie gumdrops.Since the time is just about right for McCain to ride the wave of ascendancy back into the good graces of the media (who, you'll recall, once upon a time, had rockets in their pockets for him when he was still their beloved...