Mere words cannot describe how awesomely gnarly "Piranha 3D" is, how hugely entertaining, and how urgently you must get yourself to the theater to see it. Like, now.This is not a joke, by the way ...

Mark Canton, producer of "Piranha 3D," has issued a lengthy (and heated) response to James Cameron's comments about the Weinstein horror pic.

Motion Picture Purgatory: Piranha 3DNow that the blood and boobs extravaganza Piranha 3D (review here) has had a few weeks to settle into the multiplexes for a hopefully nice long end-of-summer ...