The United States is truly considerate to its enemies. Government offices post up safety evaluations of nuclear plants. Academic journals are a how-to of bio-weapons. Reports highlight the vulnerability of port cities to container nukes. Newspapers print satellite photos of the US air base in Qatar. And, now, a general has shown in a wargame exercise how to inflict significant damage on the US fleet: a surprise attack, and communication by motorcycle courier to evade US electronic eavesdropping. U.S. Explores a New World of Warfare [New York Times]