Sen. Dick Durbin, D-Ill., appearing with Chicago Police Superintendent Garry McCarthy, left, speaks at a news conference in Chicago, Friday, Jan. 25, 2013, in his push to pass two new gun laws, including one he co-sponsored that would ban assault weapons. (AP Photo/Chicago Sun-Times, Brian Jackson)

Photo by: Brian Jackson

Sen. Dick Durbin, D-Ill., appearing with Chicago Police Superintendent Garry McCarthy, left, speaks at a news conference in Chicago, Friday, Jan. 25, 2013, in his push to pass two new gun laws, including one he co-sponsored that would ban assault weapons. (AP Photo/Chicago Sun-Times, Brian Jackson)