holidays December 20, 2022 5:34 pm Who Should You Tip Over the Holidays, and How Much? The holidays are a good time to show your appreciation for the people who offer services to make your life easier. US & World Videos 2:40 Cambridge bans right turns on red lights 2:23 Friend of John O'Keefe testifies in Karen Read trial 1:20 Police activity in Bridgewater connected to investigation 1:41 Karen Read trial Day 7: Canton police officers continue to testify 1:57 Tensions escalate as protests across Mass. colleges continue