In Syria, Do We "Have a Strategy Yet"?

When asked about needing Congressional authorization to intervene in Syria, President Obama said he "doesn't have a strategy yet." Is this a sign of indecision, or measured caution? David Sanger, national security correspondent for The New York Times and author of Confront and Conceal: Obama's Secret Wars and Surprising Use of American Power (Broadway, 2013), talks about the Obama ISIS doctrine, and what comes next.