Hoping to avoid the delays and denials sick soldiers faced after the first Gulf War, the Pentagon has ordered health screenings for every soldier, sailor, Marine and airman sent into the Iraq war. Within 30 days of their homecoming, every one will fill out a health questionnaire, review it with a health provider and give a blood sample a sweeping effort to defend against potential health problems among the estimated 250,000 troops sent to the Persian Gulf region during the war. "We're prepared this time, whereas in the first Gulf War we really weren't," said Col. Paula K. Underwood, an...