George HW Bush was so popular that the expected, normative candidates dropped out because they did not want to be perceived as losers for a future run, so that Clinton won the primaries. By the time of the convention, President Bush's popularity had waned, but it was too late ...Mr. Clinton had sewn up the nomination.

John Hindsill, I don't quite follow... Since Clinton and GHWB were of different parties, in what way did Clinton 'sew up' the nomination so that no Republicans could run against him?

(And of course, GHWB's popularity did a bit more than "wane"- it plummeted, a circumstance GWB is trying mightily not to repeat.)