PITTSBURGH — The National Rifle Association is vying to remain relevant in the 2012 presidential election, with a Democratic president who has not made gun control a priority and many NRA members expecting gun issues to take a back seat to the economy, health care and foreign policy. At the group's annual meeting in Pittsburgh this weekend, NRA leaders and potential Republican candidates warned members again and again from the stage that a second term would give... (GunPolicy.org)