I saw a documentary on the Ballet Russes, two Russian dance troupes who fled to the United States during World War II. After several years of hard travel, performing together every night, the troupes eventually broke up because of finances. Even the best ballet troupes in the world were not economically viable. The individual dancers ended up scattered throughout the world--one in each place--teaching dance in places like Oklahoma, California, New York, Venezuela, Australia, and England. It seemed that even big cities could not support more than a few world-class dance teachers. The dancers perfected their art during the rigorous years of working in a close group. But eventually they had to split up. This reminded me of the situation of sangha communities, even the major Tibetan monasteries and what happens to the individuals who go through that system. The Tibetan monks, for example, gain their expertise while living in a crowded monastery following a demanding schedule of classes, de...