Even for North Korea, this would be the WTF story of the year: A number of analysts here are convinced that not all the photos being released of North Korea’s leader, Kim Jong-il, are really photos of Kim Jong-il. Instead, they say, a look-alike has been standing in for him on some of the 122 trips he’s reportedly made this year to the countryside, factories, cultural events, military units, and all sorts of other venues. Some observers say the North...