The office of Hillary Clinton, the Secretary of State, wanted to know if Prince Nasir bin Hamad al Khalifa or Prince Khalid bin Hamad al Khalifa took drugs, drank alcohol or "caused problems" within the monarchy. Embassy staff in the Bahraini capital of Manama were also asked whether the princes had any friends among the country's Shia Muslim majority, which is behind this week's protests against the minority rule of the Sunni regime. Prince Nasir, 23, who is serving in the Bahrain Defence Force, and Prince Khalid, 21, are King Hamad's sons by his second wife and there have been...