Here’s the trailer for 21 & Over, a new comedy written and directed by Jon Lucas and Scott Moore. It’s the first movie the duo has directed, but they also wrote (the original draft of) The Hangover, The Change-Up, and, um, Ghosts of Girlfriend’s Past. The story follows a trio of college kids out celebrating their most responsible members’$2 21st birthday right before his medical school entrance exam. It’s like The Hangover, but with young people. Or like Project X or Superbad but with slightly older people (and more vomit and racism).