The Federal Transit Administration announced this week that it's taking on an "increased safety oversight role" of MBTA after a series of troubling breakdowns, including the horrific death of Robinson Lalin, who was killed after after his arm got caught in the door of a Red Line train. Jim Aloisi of Transit Matters and Stacy Thompson of LivableStreets joined Adam Reilly to discuss what that could mean for agency's future and what the move says about state leaders' recent stewardship of the system. Plus, Boston Mayor Michelle Wu's endorsement in the Suffolk County district attorney race created some serious tension this week between interim DA Kevin Hayden and his rival, Boston City Councilor Ricardo Arroyo. GBH News' Saraya Wintersmith and State House News Service's Chris Lisinski joined Adam to analyze that, the latest twist in some North End restaurant owners' battle with the Wu Administration over outdoor dining fees, and the imminent passage of state legislation to give unauthorized immigrants access to drivers' licenses.