Colorado governor signs landmark gun bills - Article Photos 1/5

FILE - In this Dec. 12, 2012 file photo, Colorado Gov. John Hickenlooper is pictured during an interview with the Associated Press at his office in the Capitol in Denver. Hickenlooper will sign legislation Wednesday, March 20, 2013 that sets limits on ammunition magazines and expands background checks for firearms, marking a Democratic victory in a state where gun ownership is a treasured right and Second Amendment debate has played out in the wake of two mass shootings. (AP Photo/Ed Andrieski, File)