Trapped in an era of forever wars

A new report out this week shows conflicts between states have now surged to their highest level since World War II. Meanwhile, protracted conflict in the Middle East suggests the world may be entering into an era in which states increasingly remain in perpetual confrontation without crossing into all-out war. The World's Host Marco Werman talks with Monica Duffy Toft, director of the Center for Strategic Studies at Tufts University's Fletcher School, about the current state of global conflict.