Massachusetts August 7, 2018 6:11 pm Republican Senate Candidates in Mass. Hold 1st Debate Geoff Diehl, Beth Lindstrom and John Kingston, all Republicans running for the U.S. Senate seat held by Elizabeth Warren, held their first debate Tuesday. US & World Videos 2:17 MIT and Tufts call for student protesters to shut down encampments 1:49 Finalists in math competition hope their model helps ease housing crisis 2:44 Fire destroys apartment building in Randolph 2:09 Staffer at Kipp Academy in Lynn stabbed by student 3:14 After U.S. tourists' arrests in the Caribbean, a reminder about travel notices