Seattle has the Evergreen Point bridge. In DC, it's the interchange at 270 and the Beltway. In Chicago, it's where I-88 and the Eisenhower Expressway come together. The AAA says these places rank among the worst when it comes to traffic congestion. But none hold a candle to what you'll find on most any artery in Sao Paulo. Traffic's so horrible in the Brazilian city of 18 million, it's more than an inconvenience. It's an expensive drain on business productivity. At least it keeps a small army of daredevils well-employed. America's Desk correspondent Dan Grech reports.