DES MOINES, Iowa - The reintroduction of the most famous woman in the world, which started in cyberspace a week ago, got up close and personal Saturday as a relaxed and smiling Sen. Hillary Rodham Clinton held a campaign "conversation" with 1,500 Iowans in a high school gymnasium. Beginning a historic run for the nation's highest office which her husband held for eight years Clinton made sure her first big campaign appearance was as warm and fuzzy as her online chats with voters last week. For an hour, she answered questions on health care, education and other issues of interest...