Among the tidbits and outrages revealed in the trailer for Bob Woodward’s forthcoming book, Obama’s Wars, two patterns stood out. First, the president really hates being commander in chief in a time of war. Second, and perhaps related, the fight the White House most wants to win is the battle over who gets blamed for a defeat in Afghanistan. Obama’s annoyance, amounting to anger, at the demands of wartime leadership are everywhere palpable in the piece. The strategy in Afghanistan is to get out: “There cannot be any wiggle room,” says the president. “I am not doing long-term nation-building. I...