They say that most of the world’s real dangers arise not because of what people don’t know but because of what they do «know» that just ain’t so.As a case in point, consider three things about Korea that the bipartisan Washington establishment seems quite sure of but are far removed from reality:Delusion 1: All options, including U.S. military force, are «on the table.»- Everyone knows there are no military «options» the U.S. could use against North Korea that don’t result in disaster. The prospect that a «surgical strike» could «take out» (a muscular-sounding term much loved by laptop bombardiers) Pyongyang’s nuclear...