New York City's tourist numbers are steadily climbing up, with one noticeable exception. Greg David, contributor covering fiscal and economic issues for THE CITY and director of the business and economics reporting program at the Newmark Graduate School of Journalism and the author of Modern New York: The Life and Economics of a City (St. Martin's Press, 2012), breaks down the tourism numbers and explains why Chinese tourists aren't flocking to the city like they used to.