minutes after today s compromise on background checks was announced the national rifle association put out a statement complaining that they don t always work. we re talking about background checks in part it says this. the sad truth is that no background check would have prevented the tragedies in new tu town, aurora or tucson. there are some other gun control proposals that might have had more of an impact on the recent mass shootings like tracking ining ammunition sales. it doesn t look like the new background check proposals would have helped a lot. mass shootings like in newtown, connecticut have horrified the nation and spurred unprecedented