California August 4, 2017 10:32 am Russia Investigation Heats Up as Mueller Convenes Grand Jury The Wall Street Journal reports Special Counsel Robert Mueller has put together a grand jury to look into possible collusion between Russia and the Trump Campaign. US & World Videos 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 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami