'This Week' Transcript: Tragedy in Tucson

AMANPOUR (voice-over): This morning, we are live from the scene, as the nation absorbs the horror of a gun attack in broad daylight on Congresswoman Gabrielle Giffords. (UNKNOWN): Gabrielle Giffords was going out practicing that First Amendment right that she had, and some bastard shot her down. AMANPOUR: Six are killed by an Arizona gunman, and Congresswoman Giffords is fighting for her life. Twelve more are shot and wounded, and the questions have started: How did...Full Story