And in Washington, a congressional panel has launched an investigation into whether New York City officials and the New York Yankees deliberately inflated the value of a new stadium to sell nearly $1 billion in tax-free bonds. By law, bonds must be sold at a price linked the site’s value. Congress member Dennis Kucinich is looking into whether the city could have over-valued the stadium site at seven times its actual price. The Yankees would have avoided millions in taxes, because bondholders are exempt from paying taxes on interest they earn. A congressional hearing is set for September.