It took exactly one month — until the president's prime-time news conference of Oct. 11, 2001 — to refute the notion that 9/11 "changed everything." When a reporter said "you haven't called for any sacrifices from the American people," he replied, "Well, you know, I think the American people are sacrificing now. I think they're waiting in airport lines longer than they've ever had before." And that was before the sacrificing became really hellacious with the requirement that passengers remove their shoes at security checkpoints. The idea that Katrina would change the only thing that matters — thinking — perished...