 Over the last half century, Perkins says some countries, particularly in Asia, have truly developed. He offers South Korea as an example. Peace Corps is no longer needed there. Michelle Wynn-Baptiste says St. Lucia, on the other hand, still has a ways to go. After 50 years, Peace Corps has helped St. Lucia improve education and health care. But she says the impact hasn't been enough to lead the country out of poverty.