The United States and its allies have reached a pivotal point in the war in Afghanistan, where victory will largely depend on how well they can execute their plan in the next 24 months to stabilize and rebuild the war-torn country, according to retired Army Gen. Barry McCaffrey. "This is the crossover year," he writes in a Feb. 26 "after-action report" delivered to colleagues at the United States Military Academy. Billions of dollars -- as much as $10 billion --...