CBS LAS VEGAS-Congressman Joe Heck talks about the fiscal cliff he voted for and he answers questions from our listeners. Vice President Joe Biden has devoted this week to hearing from all sides, including the National Rifle Association Thursday. Biden also said the president might side-step Congress and seek to advance his agenda through executive order. Senior officials offered no details, but they acknowledge there’s very little the president can do to advance gun control without the consent of Congress. Should President Obama use Executive Orders to further gun control? Callers tell us if they think President Obama will use Executive Orders to further gun control.