Shelley Berkley on the Tucson Shooting

Jan 10, 2011 (7:30 p.m.)

Is extremist rhetoric, mental illness, easy access to guns, or all of the above to blame for the tragedy in Tucson? Does Congress need to turn down the volume? Or amp up the security? Hear from Congresswoman Shelley Berkley about that and her friend and colleague, Congresswoman Gabrielle Gifford.