NBCUniversal Inc. November 29, 2018 12:56 am ‘Tonight': Mandel Interrupts Show to Plug ‘Deal or No Deal' Howie Mandel crashes “The Tonight Show” to talk about “Deal or No Deal’s” return to CNBC and its holiday special, “Happy Howie Days.” US & World Videos 2:43 ‘On the Dot' to redevelop stretch of Dorchester Avenue 1:49 Finalists in math competition hope their model helps ease housing crisis 14:31 @Issue extra: Seth Moulton on pro-Palestinian protests, TikTok and more 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami 1:17 Patriots player visits Franciscan Children's Hospital