More than 30,000 people die every year because of gun violence, and Dan, Rivka, and Rob discuss whether it makes sense to think about gun control as a public health issue. (Starts at 2:05.) They also debate the rising cost of pharmaceutical drugs and whether we're paying too much attention to Sovaldi and Martin Shkreli. (Starts at 17:25.) And they close the show with their electives, including their accidental tribute to the New York Times Upshot blog. (Starts at 26:15.)