President Obama speaks to reporters in the Rose Garden of the White House in Washington on Monday, Oct. 11, 2010, to highlight a new report on the impact of his $50 billion infrastructure-investment proposal. Onstage with Mr. Obama are (from left) Secretary of Transportation Ray LaHood, Pennsylvania Gov. Ed Rendell and Los Angeles Mayor Antonio Villaraigosa. (AP Photo/Pablo Martinez Monsivais)

Photo by: Pablo Martinez Monsivais

President Obama speaks to reporters in the Rose Garden of the White House in Washington on Monday, Oct. 11, 2010, to highlight a new report on the impact of his $50 billion infrastructure-investment proposal. Onstage with Mr. Obama are (from left) Secretary of Transportation Ray LaHood, Pennsylvania Gov. Ed Rendell and Los Angeles Mayor Antonio Villaraigosa. (AP Photo/Pablo Martinez Monsivais)