Dance Lest We All Fall DownAn unexpected detour can change the course of our lives forever, and, for white American anthropologist Margaret Willson, a stopover in Brazil led to immersion in a kaleidoscopic world of street urchins, capoeiristas, drug dealers, and wise teachers. She and African Brazilian activist Rita Conceicao joined forces to break the cycles of poverty and violence around them by pledging local residents they would create a top quality educational program for