President Obama speaks about strengthening the economy for the middle class and the nation's struggle with gun violence at an appearance at Hyde Park Academy on Friday, Feb. 15, 2013, in Chicago. (AP Photo/M. Spencer Green)

Photo by: M. Spencer Green

President Obama speaks about strengthening the economy for the middle class and the nation's struggle with gun violence at an appearance at Hyde Park Academy on Friday, Feb. 15, 2013, in Chicago. (AP Photo/M. Spencer Green)