It would be insane to waste time and energy worrying that somewhere, doubtless in a high-tech subterranean lair, Republican masterminds are cackling over their diabolical plot: The use of reverse psychology to lure unsuspecting Democrats into nominating Barack Obama, an innocent lamb who will be chewed up by the attack machine in the fall. Mwa-ha-ha-ha-ha! Or maybe Republicans are using double super secret backward reverse psychology to exploit the Democratic Party's congenital paranoia: Let's say nice things about Obama so Democrats think we really want to run against him, and that will make them play into our hands by nominating...