Late Late Show with James Corden won its first Emmy Award tonight: Outstanding Interactive Program. Corden’s show also is nommed for best variety special tomorrow night at Part 2 of the Creative Arts Award portion of the three-night dispensing of trophies, and its nommed for best variety series at next Sundays televised Primetime Emmy Awards. CBS scored maybe the biggest late-night-nom headline in July, for Corden's show, which grabbed a lot of attention this season with…