U.S. intelligence officials are expressing growing concerns that Pakistan is holding back valuable intelligence data obtained from captured No. 2 Taliban leader, Mullah Abdul Ghani Baradar. Mullah Baradar, who was captured in January, is the military deputy to Taliban leader Mullah Omar and he is considered the most important terrorist to be detained since Khalid Shaikh Mohammed was caught in 2003. Senior U.S. intelligence officials in the last week told The Washington Times that recent interrogation sessions with Mullah Baradar yielded very little actionable intelligence. Instead the sessions provided "atmospheric intelligence" that is of limited value, such as the history...