President Barack Obama, left, speaks to reporters in the Rose Garden to highlight a new report on the impact of his $50 billion infrastructure-investment proposal, Monday, Oct. 11, 2010 at the White House in Washington. With Obama are from left to right, former Secretaries of Transportation Samuel Skinner and Norman Mineta, Secretary of Treasury Timonthy Geithner, Secretary of Transportation Ray LaHood, Gov. Ed Rendell, D-Penn., and Los Angeles Mayor Antonio Villaraigosa. (AP Photo/Pablo Martinez Monsivais)

Photo by: Pablo Martinez Monsivais

President Barack Obama, left, speaks to reporters in the Rose Garden to highlight a new report on the impact of his $50 billion infrastructure-investment proposal, Monday, Oct. 11, 2010 at the White House in Washington. With Obama are from left to right, former Secretaries of Transportation Samuel Skinner and Norman Mineta, Secretary of Treasury Timonthy Geithner, Secretary of Transportation Ray LaHood, Gov. Ed Rendell, D-Penn., and Los Angeles Mayor Antonio Villaraigosa. (AP Photo/Pablo Martinez Monsivais)