James Corden takes on troll who wished cancer on his kid

James Corden snapped back at a Twitter user critical of him for using a "Game of Thrones" plot point.

(CNN)James Corden teased a "Game of Thrones" plot point on his show, and it ended with him having to take on a Twitter troll.

"The Late Late Show With James Corden" host tweeted a joke from his Mond