You’ve got to hand it to a filmmaker so tenacious, focused and crazy that after Sundance ’09 rejects him, he shows up anyway and drags the strip shouting “See my movie!”… which ends up selling in spite of it all. Meet James Nguyen, an ultra-low-budget auteur who, over the course of four long years, wrote, directed, shot and… well, everything’d Birdemic. Like Alfred Hitcock’s The Birds, but infinitely crappier “awesomer”, Birdemic is best described by the film’s official synopsis: A …