Why did Jared Leto send co-stars used condoms and live rats while on set for Suicice Squad? Why can't you trust the Radio 4 pips any longer? And why did Richard spend hours watching Ben White say his name over and over? Richard Osman and Marina Hyde answer your questions on the world of showbiz, including the inside scoop on foul behaviour by method actors and the secrets of casting for Race Across The World.