 Russia and North Korea have signed an agreement bringing them closer than they've been since the Cold War. It echoes an agreement the North Koreans and the Soviet Union signed in 1961. What we really don't know is how much secret military cooperation there's going to be. I'm Deborah Becker. What the deal means for the U.S. and the world. That's on the next On Point. Beginning this afternoon at 2, following The Daily.