OH. MY. GOD. That's really all I could formulate after seeing last night's second season finale of Lost . Over two of the most stressful, tense hours of television (take that, American Idol!), we saw the return of Desmond (and a few other familiar faces), learned what really caused the crash of Oceanic Flight 815, and left half of our beloved characters in some serious peril. First things first: the sailboat. The beautiful little sailboat (named Elizabeth, from Newport Beach) that appeared in the castaway's ocean backyard last week did in fact end up belonging to poor Desmond, who's been attempting to sail away to Fiji for the last few weeks, only to end up right back at the island. And apparently he's been drunk the entire time. Down in the hatch, Locke and Eko fight over the continued pushing of the button. Eko believes that it is the most important work in the world, but Locke thinks that it's all a joke. With the counter at four minutes, Locke won't let