Slouching Toward War With North Korea (Nicholas Kristof/New York Times)

Nicholas Kristof / New York Times : Slouching Toward War With North Korea   —  John Brennan, the former head of the C.I.A., estimates the chance of a war with North Korea at 20 to 25 percent.  —  Joel S. Wit, a Korea expert at Johns Hopkins University, puts it at 40 percent.  —  Richard Haass, the president of the Council …