- We opened the lines to get your thoughts on Clinton and Trump's first debate.
- The GroundTruth Projects Charlie Sennott gave his thoughts on what the candidates said about national security issues during last night's debate.
- FRONTLINE’s Michael Kirk was in the studio to talk about their new election special, The Choice 2016.
- The director of research at the Harvard Injury Control Research Center Deborah Azrael was on hand to talk about the center's newest comprehensive gun study.
- Medical ethicist Art Caplan called in to talk about Trump's sniffles and how the medical community has been ignoring the health needs of obese people.
- CNN's John King called in with his take on the debates.
- We opened the lines again to get you thoughts on the debates.