Video shows Bush was well-briefed before Hurricane Katrina about possible threats to levees and danger to human life: “Bush didn’t ask a single question during the final briefing before Katrina struck on Aug. 29, but he assured soon-to-be-battered state officials: ‘We are fully prepared.'” So what did Bush mean when he told Diane Sawyer on September 1st, “I don’t think anybody anticipated the breach of the levees.”