POWERFUL Hollywood friends of Tom Cruise rallied to his defence as a poll suggested the actor's odd behaviour in recent months might have cost him millions of dollars at the box office. Days after his latest movie, Mission: Impossible III, opened to lower-than-expected domestic ticket sales, a USA Today/Gallup poll showed Cruise's star power has dimmed considerably during the past year in the eyes of the public. In the poll of 1013 adults conducted over the weekend the film opened in theatres, 35 per cent had a favourable opinion of Cruise, while 51 per cent had an unfavourable opinion. That...