April 13, 2016 6:25 pm Walsh, Officials Outlining Boston Marathon Security Boston officials plan to outline security plans for the upcoming Boston Marathon Wednesday. US & World Videos 2:40 Cambridge bans right turns on red lights 2:23 Friend of John O'Keefe testifies in Karen Read trial 1:57 Tensions escalate as protests across Mass. colleges continue 2:05 MIT students suspended amid pro-Palestinian protests 0:21 Man arrested in Centerville stabbing that sent victim to hospital