Former Vice President Dick Cheney, a staunch gun advocate, says tighter weapons regulations might be "appropriate" to prevent another tragedy like the Arizona mass shootings that left six people dead and a congresswoman seriously wounded. Cheney, an avid hunter, said he is "willing to listen to ideas" on how to better control the purchase and use of firearms. "Whether or not there's some measure there in terms of limiting the size of the magazine that you can buy to... (GunPolicy.org)