BY RON HARRIS ST. LOUIS POST-DISPATCH LIVING SUPPORT AREA 7, Kuwait -- Operation Kuwaiti Field Chicken has been shut down, at least for now. The chickens are dead. Just more than a week after 43 chickens were brought here to ride into battle with the Marines, all but two have died. Most were buried in the soft sand outside of regiment headquarters. Small, wooden tombstones mark their graves. There is one for Captain Popeye, one for Pfc. King, another for Lance Cpl. Pecker and, finally, one marking the grave of The Unknown Chicken. The plan was to use the chickens...