NBCUniversal Inc. June 12, 2019 2:59 am ‘Late Night': Rachel Maddow on Preparing for the Dem Debate Rachel Maddow talks about how she’s preparing to moderate one of the upcoming Democratic debates and shares her thoughts about the large pool of candidates. US & World Videos 2:39 Bruins try not to ‘dwell on the past' ahead of Game 7 against Toronto Maple Leafs 20:50 Karen Read trial: How accounts of first responders have differed 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