Boston December 14, 2020 11:13 pm What Does Boston Rollback Mean? Boston is moving back to a modified version of Phase 2, Step 2 of Massachusetts’ reopening plan starting Wednesday and staying for at least three weeks, Mayor Marty Walsh announced Monday. Here’s what that means: US & World Videos 4:02 ‘To Catch a Contractor' series leading to changes 1:02 20% of nurses to leave field within 2 years 6:03 Tensions rise during campus protests at MIT and Harvard 1:05 Marking construction safety week in Boston 20:19 Karen Read's attorney accuses witness of perjury at murder trial