Boston July 4, 2018 5:16 am Last Minute Preps for Boston Pops Fireworks Spectacular Dress rehearsal Tuesday night presented a chance for many to see entire performances as music acts fine tuned all the elements for Wednesday night’s show. US & World Videos 1:23 Canton firefighter testifies in Karen Read murder trial 2:30 Protests continue at Tufts University 2:19 Here's how to stay up to date on the Karen Read trial 0:45 Karen Read trial Day 3: Witness testimony resumes 1:56 Campus unrest continues at Boston schools