A Red Line in the Sand

A longtime CNN columnist astutely combines history and global politics  to help us better understanding the exploding number of military, political, and diplomatic crises around the globe. The riveting and illuminating behind-the-scenes stories of the world's most intense “red lines," from diplomatic and military challenges at particular turning points in history to the ones that set the tone of geopolitics today.  Whether it was the red line in Munich that led