Then: On Election Night in 2008, a jubilant Barack Obama greeted supporters in Chicago. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

President Obama greets residents after a discussion in the backyard of the Clubb family home in Des Moines, Iowa, on Sept. 29. Charles Dharapak/AP hide caption

itoggle caption Charles Dharapak/AP

President Obama, shown last week arriving at a town hall meeting sponsored by MTV and BET, has renewed his call for $50 billion to improve roadways and airports. But with nervous lawmakers worried about their jobs, that may be a tough sell. Jim Watson/AFP/Getty Images hide caption

itoggle caption Jim Watson/AFP/Getty Images

President Obama holds a conversation Wednesday in the backyard of Jeff and Sandy Clubb in Des Moines, Iowa. Tim Sloan/AFP/Getty Images hide caption

itoggle caption Tim Sloan/AFP/Getty Images

During last week's town hall meeting on CNBC, Velma Hart (at right) drew much attention for telling President Obama that she hasn't seen the "meaningful" change she thought he would bring to Washington. Handout/Getty hide caption

itoggle caption Handout/Getty

President Obama, speaking at the White House in January, is surrounded by some of his economic advisers at the time including Christina Romer, Timothy Geithner and Lawrence Summers. The president is now considering candidates to direct the National Economic Council when Summers departs later this year. Jim Watson/AFP/Getty Images hide caption

itoggle caption Jim Watson/AFP/Getty Images