Sporting little more than a small concrete launch pad and a cluster of portable buildings, New Mexico's spaceport is a far cry from NASA's Kennedy Space Center— a 144,000-acre city of buildings, launch pads and runways with its own ZIP code. But spaceport backers are thinking big ... really big. State officials today, while attending a major European aerospace show, plan to announce a sweeping new name that seeks to capitalize on New Mexico's status as home to the country's first hub for commercial space flight and tourism. Introducing: Spaceport America. "This is an international project, it puts New Mexico...