VIRGINIA BEACH, Va. - In the customer service area of the Oceana Navy Exchange, a man dressed in a black polo, black pants and black sneakers moved back and forth between two cash registers. He did this about 120 times, each time swiping his credit card and paying for a holiday layaway. The grand total came to nearly $30,000. "Each one they have to do separately. It's exciting!" said Luke Hillier with a big smile on his face. Hillier, a local businessman, has been known for d