The White House is taking its first tentative steps toward arming Syrian rebels. Host Jacki Lyden speaks with James Fallows, national correspondent with The Atlantic, about the U.S.' ongoing struggle to determine when is the right time to intercede. They also discuss moderate candidate Hasan Rowhani's victory in the Iranian presidential election.

So often, we take water for granted. But it's not always where we need it, or there when we need it. Two rivers on opposite sides of the country — the Chattahoochee in the South and the Klamath in the far West — may provide lessons for the inevitable and growing dispute over how we manage our most precious resource.