Throughout most of the 18th and 19th centuries Congress jealously guarded its legislative powers. But as the nation moved from an agrarian to an industrial society, stronger presidential leadership became necessary. Woodrow Wilson viewed the preside...
David Gergen, Harvard professor and CNN political analyst, talks about presidential leadership. Although it is likely that Richard Nixon and Bill Clinton had higher IQs, Ronald Reagan, he says, was a more effective leader because he was better cente...