When last we saw a clip of Tim Heidecker in the controversial cringefest that is his new movie, "The Comedy," he was repping his hooooood, Williamsburg, in the worst way possible: drunk, boorishly, and to a bar full of black men who weren't exactly amused.In The Huffington Post's second exclusive clip from the most walked-out film of Sundance 2012, we get the scoop on how that delicately unbalanced vignette came to be.