More and higher tolls won't be enough to pay for the nation's highway needs, a bipartisan study panel chaired by the U.S. Secretary of Transportation said today in a long-awaited report. Instead, Congress will need to raise the federal gas tax by 25 to 40 cents a gallon over five years, according to the National Surface Transportation Policy and Revenue Study Commission. The 12-member commission is a bipartisan panel formed by Congress in 2005 to rethink the way the nation builds and pays for its highways and transit systems. "There is no free lunch," Jack Schenendorf, vice chairman of the...