Big, big changes are on the horizon. James Corden’s hosting gig on CBS’ “The Late Late Show” could be replaced next year — when the Brit bids the late night show farewell — with a multi-host panel, a trio of sources familiar with the situation told Variety Monday. Though only in early discussions, if the network decides to go ahead with such a shift, the new format might straddle multiple late night genres like gossip, news and game show entertainment. Viewers might also find themselves watching a show without staples of late night such as a signature live band, according to Variety. There are…