George W. Bush says he still feels "sick" that no weapons of mass destruction were found in Iraq, and that he should have landed Air Force One two days after Hurricane Katrina instead of viewing the destruction through the plane's window.
The former president appeared Tuesday in a taped episode of "The Oprah Winfrey Show" to promote his new memoir "Decision Points."
Bush told Winfrey he doesn't criticize President Barack Obama because he didn't like people criticizing him when he was president.
Bush says the world is better off without Saddam Hussein, even though the invasion that toppled the Iraqi leader was based on faulty intelligence.
He says he didn't land in New Orleans right after Katrina because he was worried about taking resources away from the recovery.
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