A Red Line in the Sand

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. More red lines exist in the world today than at any other single moment in history. Whether it was the red line in Munich that led to the start of the Second World War, to the red lines in the South China Sea, the Korean Peninsula, Syria and the Middle East.