This morning, ITV executives will be watching the overnight ratings anxiously. Last night they launched "Get Your Act Together," a new shiny-floor show that sees celebrities learn variety-act skills, such as acrobatics and plate-spinning. The series is ITV’s latest attempt to find the next big entertainment hit -- something that after a spate of successes including "The X Factor," "Strictly Come Dancing" and "The Voice," has now eluded both ITV and BBC1 for several years.