In all honesty, not one person we can think of ever called alcohol "liquid courage". Instead, those 40-proof been named everything from "elixir of stupidity" to "beverage of amnesia". Better yet, just ask Alan, Phil, and Stu, also known as The Wolfpack in the film Hangover. After their remarkable endeavor in the City of Sins, the trio found themselves in another alcohol related jam, this time halfway across the globe in Thailand. Oddly enough, their new "friend" Mike Tyson came along too as well as President Bill Clinton? See the first, and what will be many to come, trailer from Hangover 2.