Written for Learners of English by Anne Collins.'Ask not what your country can do for you - ask what you can do for your country.' More than fifty years ago, the new US President, John F. Kennedy, spoke these words. Millions of Americans listened, and they were filled with hope. With Kennedy as president, surely there was a great future ahead for their country. But Kennedy would not finish his four years as president. In November 1963, the world stopped as terrible news came from Dallas, Texas. . .