Premise: John Henry Michael McManus (born 21 January 1974), as stage name Rove McManus, is an Australian triple Gold Logie award-winning television presenter, producer, comedian and media personality. He was the host of the comedy talk show "Rove LA" and was also the host of the eponymous variety show "Rove." He is also the co-owner of the production company Roving Enterprises with partner Craig Campbell.
Hypothesis: John McManus has never been a talk show host.