
Colorado Gov. John Hickenlooper faces a declining approval rating following a legislative session described as the most liberal in state history. Mr. Hickenlooper made a much-criticized decision to grant an indefinite reprieve of execution to death row inmate Nathan Dunlap. (Associated Press)

** FILE ** Sponsors and family members of victims watch as Colorado Gov. John Hickenlooper signs gun-control bills into law at the Capitol in Denver on Wednesday, March 20, 2013. The bills, which place new restrictions on firearms, thrust Colorado into the national spotlight as a potential test of how far the country might be willing to go on new restrictions after the horror of the Newtown, Conn., and Aurora, Colo., shootings. (Associated Press)

Colorado Gov. John Hickenlooper on May 22 granted Nathan Dunlap a "temporary reprieve," putting off indefinitely his execution on death row for the 1993 shooting deaths of four employees at an Aurora, Colo., restaurant. (Associated Press)

Colorado Gov. John Hickenlooper

Colorado Gov. John Hickenlooper is considering a request to spare the life of a convicted killer. (Associated Press)

Colorado Gov. John Hickenlooper is considering a request to spare the life of a convicted killer. (Associated Press)

Colorado Gov. John Hickenlooper is considering a request to spare the life of a convicted killer. (Associated Press)

**FILE** Colorado Senate President John Morse (left) joins Speaker of the House Mark Ferrandino, Denver Democrat, in listening as Gov. John Hickenlooper delivers the annual State of the State speech before a joint session of the Colorado Legislature in the State Capitol in Denver on Jan. 10, 2013. (Associated Press)

**FILE** Colorado Senate President John Morse (left) joins Speaker of the House Mark Ferrandino, Denver Democrat, in listening as Gov. John Hickenlooper delivers the annual State of the State speech before a joint session of the Colorado Legislature in the State Capitol in Denver on Jan. 10, 2013. (Associated Press)