Over the past 25 years, the power and influence of the United States has been challenged in new ways from a variety of state and non-state actors, yet our responses to these challenges often seems mired in the past. In this latest episode of Departures, Robert Amsterdam has a wide-ranging discussion regarding emerging geopolitical trends with David Kilcullen, author of the book "The Dragons and the Snakes: How the Rest Learned to Fight the West."