The Hangover numbers among those very few movies that can lay legitimate claim to the title "instant classic." As contrived, convoluted, twisted, silly, and slapstick as something woven from the three stooges meeting the Marx brothers, "The Hangover" nevertheless maintained its sincerity and inspired audiences' sympathy for the poor slobs they were watching screw-up at every available opportunity. We call that "comic genius.""Can The Hangover Part II possibly reprise the genius and do justice to the original? As the movie went into post-production, Hangover star Bradley Cooper shared his worries, telling The Los Angeles Times, "I'd be lying if I said I wasn't trepidatious." The el dos, the original characters travel to Bangkok, which Cooper characterized as "Las Vegas on steroids." Stu once again is scheduled for nuptials, and he has pre-empted a bachelor party rerun by scheduling a proper, safe, conservative pre-wedding brunch. Of course, the words "yeah, right" come to mind. The studio says, "What happens in Vegas may stay in Vegas, but what happens in Bangkok can't even be imagined.""Cooper assuages his own and the audience's trepidations, claiming, ": "The script was better than the first one. The scope is larger. [Shooting it] went smoother than it did the first time in terms of letting spontaneous moments happen." Devoted fans have their fingers tightly crossed.