What Will it Take to "Systematically Degrade" ISIS?

President Obama says that there's an international coalition to fight ISIS -- and he'll be asking for the support of Congress to "systematically degrade their capabilities....shrink the territory that they control. And ultimately... defeat 'em.." But what will that process look like, and how much support with the U.S. really have? Gideon Rose, editor of Foreign Affairs, discusses Obama's strategy, and what to expect from his speech to the nation this Wednesday.