Before he took the stage at Radio City Music Hall last June, nine times to nine sold out audiences. Before his decade in seclusion. Before he walked away from a $50 million contract and onto a plane bound for South Africa. Before his two season show on Comedy Central elevated him to a demigod in social satire and racial comedy. Before Half Baked, Robin Hood: Men In Tights and performances in the Washington Square Park fountain, Dave Chappelle left high school after the bell rang and got onstage at a Tuesday night open mic. He was 14. He killed it.