February 15, 2017 11:25 pm Students Protest Controversial Pharma Chief Harvard University students protested a campus appearance by controversial former pharmaceutical executive Martin Shkreli on Wednesday night. 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