Both in the United States and abroad, many influential observers argue that the U.S. is in systemic decline. Not so, says Lee Kuan Yew, the sage of Singapore. Lee is not only a student of the rise and fall of nations. He is also the founder of modern Singapore. As prime minister from 1959 to 1990, he led its rise from a poor, small, corrupt port to a first-world city-state in just one generation.