Last week brought fresh evidence of America's fallen standing in the world: The BBC polled 26,000 people in 25 countries and found that less than a third regard U.S. influence as positive. But one symbol of America -- a more enduring one than President Bush, by far -- provided some more cheerful news. McDonald's reported its strongest business results in three decades, and brisk sales in supposedly anti-American countries were a large part of the reason.