Not every president is a leader, but every time we elect a president we hope for one, especially in time of trouble. Leadership is as much a question of timing as anything else. The leader must appear on the scene at a moment when people are looking for leadership. And when he comes, he must offer a straightforward and powerful message. Great leaders are almost always great simplifiers who cut through argument, debate and doubt to offer a solution everybody can understand and remember. We have an image of what a leader ought to be. We even recognize the physical signs: leaders may not necessarily be tall, but they must have bigger- than-life, commanding features. We expect our leaders to stand out a little, not to be like ordinary men. Half of President Ford's trouble lay in the fact that, if you closed your eyes for a moment, you couldn't remember his face, figure, or clothes. It also helps for a leader to be able to do something most of us can't. Mao swam the Yangtze River at the age of 72. We want our leaders to be like us but better, special, more so. Yet if they are too different, we reject them. A leader must know how to use power (that's what leadership is about), but he also has to have a way of showing that he does. A leader should know how to appear relaxed and confident. His walk should be firm and purposeful. He should be able to give a good, hearty, belly laugh. Ronald Reagan's career as an actor showed to good effect in the debate with his opponent. He managed to convey the impression that in fact he was the President. A leader rides the waves, moves with the tides, understands the deepest feelings of his people. He cannot make a nation that wants peace at any price go to war, or stop a nation determined to fight from doing so. His purpose must match the national mood. His task is to focus the people's energies and desires, to inspire, to make what people already want seem possible and important to achieve. The passage is mainly about  _  .
how a leader is elected what it takes to be a leader when a leader is needed where a leader lays his power