president charles de gaulle of france once said that brazil is not a serious country.e that? is brazil a serious country now? >> bueno: it's not a serious country, in several instances, because they say they're going to do something, and then don't do something. here in rio de janeiro, you can invite someone to your house, they say they're going to come, and they don't show up. and they don't think it's... no, who cares? but how can you do business in a loose way? how can you run a country in a loose way? >> kroft: while many in brazil's cities lust for first-world status, the third world is never far away. for decades, brazil ignored the festering slums known as favelas, which wrap around rio, overlooking some of the most valuable real estate in the city. they have been staging areas for street crime against tourists, and safe havens for drug gangs so well armed that they brought down a police helicopter a few years ago with heavy machine gun fire. finally, after years of looking the other way, the military police have begun to move in. last fall, some parts of rio ha