The wheels of justice grind slowly, but they grind exceedingly fine. In this case, it's been forty years since British establishment-pop workhorse Phil Collins incurred a young Athena's wrath with his band Genesis's mockery of the greatest president (up until then, anyway) of modern times. f you're Gen X like me, your adolescence was happily enhanced by the heyday of old-school MTV. The concept was brand-new then: music videos by the hottest pop stars, 24/7, hosted by the original veejays — Alan Hunter, Nina Blackwood, Martha Quinn, Mark Goodman, and of course, "Triple J" J.J. Jackson. It was innovation, novelty,...