Sharon Osbourne says her family's reality show 'The Osbournes' was the 'biggest mistake' of her life. As John Basedow (@JohnBasedow) reports, 'The Talk' hostess revealed on BBC's 'Graham Norton Show' that filming the MTV series kept her and husband Ozzy from spending enough time with their children, Kelly and Jack. She says she doesn't know how they turned out so great.