A scholar of civil wars warns against repeating the past mistakes from U.S. military interventions abroad.

Guest: Monica Duffy Toft, director of the Center for Strategic Studies and a professor of international politics at Tufts University's Fletcher School of Law and Diplomacy; her essay "Can the US 'run' Venezuela? Military force can topple a dictator, but it cannot create political authority or legitimacy" was published earlier this month in The Conversation.