A radical Muslim cleric claims Army psychiatrist Maj. Nidal Hasan asked him about killing American soldiers nearly a year before Hasan allegedly shot to death 13 fellow soldiers at Fort Hood. In an interview Wednesday with the Arabic-language news network Al-Jazeera, Anwar al-Awlaki, considered a key recruiter for al-Qaida, said Hasan asked him in a December 2008 e-mail "whether killing American soldiers and officers is lawful or not" under Islamic law. In the interview, Al-Awlaki then appears to taunt U.S. intelligence and security, saying, "I wonder where were the American security forces that one day claimed they can read the...