Bill McKibben ( @billmckibben ) has led the charge against the Keystone XL pipeline, and now he's taken his climate fight to Harvard. (Starts at 0:44)
Are officers behaving in a deadly fashion the tipping point in the debate over police body cameras? Boston Herald columnist Jennifer Braceras ( @MAHockeyMom ), former State Senator Warren Tolman ( @warrentolman ) and Collete Phillips Communications president Collette Phillips ( @ColettePhillips ) weigh in. (Starts at 8:25)
150 years ago, President Abraham Lincoln was assassinated by actor John Wilkes Booth at Ford’s Theater in Washington. Historical fiction writer William Martin ( @Martinbooks ) talks about “what if.” (Starts at 19:39)
