Sam Dolnick And Timothy Williams New York Times

During Tucson's first rush hour since a weekend shooting left six people dead and 14 wounded, including Representative Gabrielle Giffords, talk radio hosts pushed back against arguments that their heated political rhetoric had played a role in the tragedy.Phone calls poured in to stations across the dial to denounce Sheriff Clarence W. Dupnik of Pi...

During Tucson's first rush hour since a weekend shooting left six people dead and 14 wounded, including Representative Gabrielle Giffords, talk radio hosts pushed back against arguments that their heated political rhetoric had played a role in the tragedy.Phone calls poured in to stations across the dial to denounce Sheriff Clarence W. Dupnik of Pi...