PANAMA CITY, FL -- The Marine Corps will not be able to buy Joint Light Tactical Vehicles at the prices currently estimated and will have to examine upgrading its humvee fleet instead if industry partners cannot drop the price dramatically, according to the service's outgoing commandant. "We’ve got thousands of up-armored humvees out there sitting around [and we're] wondering what we're going to do with them," Gen. James Conway told an audience at the Expeditionary Warfare Conference here today. "Is...