AIRPORT WATCH CONCEPT HELPS NAB 'BAD GUYS' Here's proof that GA airports really are small communities and that the "residents" know when something is amiss. On Wednesday, this led to the nabbing of some suspicious characters at St. Louis Downtown Airport. It all started when a man telephoned an FBO not far from the Gateway Arch and asked about chartering a helicopter. About an hour later, two men walked into the FBO, pulled out cash to pay for the flight, and presented driver's licenses from two different states as ID. Office staff noticed their car was registered in a third...