May 27, 2014 1:21 pm Boston mayor changes course from predecessor on life sciences industry Boston Mayor Marty Walsh, mayors of Cambridge, Quincy, Somerville, Braintree promoting a life sciences corridor along MBTA Red Line US & World Videos 8:56 @Issue extra: Acting chair of Cannabis Control Commission talks reclassification, social equity 2:41 Has Kristi Noem's dog-killing story taken her out of the race for Donald Trump's running mate? 14:37 @Issue extra: A retrospective on the Boston 2024 Olympics bid 3:07 What's working for Biden's campaign — and what's not working for Trump 4:10 Thoughts as jury selection gets underway in Trump's hush money trial