In the next 24 hours, Czech and Polish officials will lead the latest Proliferation Security Initiative exercise, during which they will practice stopping a chemical weapons shipment bound for the Middle East, Secretary of State Condoleezza Rice said today. The exercise, dubbed "Bohemian Guard '05," is one of two PSI interdiction exercises scheduled for June. Bohemian Guard is focused on interdicting ground shipments, whereas the other event, "Blue Action '05," which will be hosted by Spain, is an air interdiction...