- Cnn's John King called in to talk about today's primary, Donald Trump, and Hillary Clinton.
- We opened the lines to hear if you would vote for a third party candidate?
- Harvard Business historian Nancy Koehn was in the studio to discuss how global warming is affecting office buildings.
- WGBH's Arts editor Jared Bowen on the newest films and plays to see in Boston.
- Former Governor Michael Dukakis was in the studio to talk about the positive impact a north-south rail link could have.
- Lucy Kalanithi was on hand to talk about the loss of her husband Paul Kalanithi and his book, "When Breath Becomes Air."