Mayor Ray Nagin apologized Tuesday for a Martin Luther King Day speech in which he predicted that New Orleans would be a "chocolate" city once more and asserted that "God was mad at America." "I said some things that were totally inappropriate. ... It shouldn't have happened," Nagin said, explaining he was caught up in the moment as he spoke to mostly black spectators, many of them fearful of being shut out of the city's rebuilding. During the speech Monday, Nagin, who is black, said that the hurricanes that hit the nation in quick succession were a sign of God's...