Twitter August 18, 2020 8:45 am Tech Tuesday: Twitter Gives Users More Control Over Comments Mike Proulx, advertising lecturer at Boston University, explains a new Twitter feature that allows users to control who can reply to posts. US & World Videos 4:09 Budgets, staffing, and social media can all impact violence in schools, administrators say 2:35 Sumner Tunnel closed for weekend 2:16 Bruins fans disheartened by season-ending loss 20:21 Karen Read trial: Jen McCabe testifies ‘hos long' search was made after John O'Keefe was found 3:17 Featuring ‘age-friendly' employers