This comes from Richard Haass, who is president of the Council of Foreign Relations, was the Middle East advisor to the National Security Council under the first President Bush, and served under Colin Powell in the State Department in the current Bush's first term. It's in response to the current Bush's optimism that the horrors in Lebanon present a wonderful opportunity to create a new and better Middle East:
"An opportunity? Lord, spare me. I don't laugh a lot. That's the funniest thing I've heard in a long time. If this is an opportunity, what's Iraq? A once-in-a-lifetime chance?"