British journalist John Cantlie has been a prisoner of ISIS for more than four years. Throughout his captivity, he’s been forced to act as a sort of warped foreign correspondent, extolling the virtues of the group in propaganda videos. With every appearance, he looks weaker and gaunter. In this special hour, we consider how Cantlie’s plight is a window into the challenges of reporting on Syria, and why the world’s tangled policy on hostages means that some live to tell the tale, and others don’t.