Ben Stillers Tropic Thunder takes aim at the movie biz but lacks firepower
Early buzz out of Hollywood pegged Tropic Thunder, directed and co-written by star Ben Stiller, as the end-all and be-all of movie-biz parodies — a savage beast with a rough touch featuring Tom Cruise in a career-resurrecting role as bald-headed, big-gutted, foul-mouthed studio boss Les Grossman, who does the fuck-you…