When thousands of New Yorkers came to Boston for the NCAA Lacrosse championship at Gillette Stadium, the Boston Globe-Democrat ran a front-page article on the economic benefits of all those tourism dollars. "I love New Yorkers, especially when they leave so much money behind," the head of Boston's tourism bureau said. Then the boats of the Volvo Ocean Race came to town, "leaving $20 million in spending by spectators, sponsors and participants in its wake," according to the Boston Herald. "The boost came at an opportune time for the city’s hotels, restaurants, retailers and other businesses, compensating for a large...