Dr. Cassandra Crifasi never planned to go into public health. She ended up in the field as, in her words, a “med school reject.” But Crifasi, who is now the Co-Director of the Center for Gun Violence Solutions at Johns…

John Kiriakou bends over the webcam. He wears a black sweater that matches the top of his salt-and-pepper hair and the outline of his wide glasses. His manner is affable, but he speaks with the intensity that one might expect of a man who would risk imprisonment to leak state secrets to the press.