Visitor volume showed a moderate increase in June over last year, the Las Vegas Convention and Visitors Authority reported Thursday, and for the first half of 2012, visitation is on pace to fall just short of an unprecedented 40 million tourists. The authority said 3.4 million people visited Las Vegas in June, 2.1 percent more than in June a year ago. For the first half of 2012, 19.9 million visitors arrived in the city, 2.4 percent more than in the first six months of 2011.
