Americans have fallen for the ticker tape. We watch our portfolios, happily or nervously. We know there were a few bad apples at Enron and World Com, but we also know: * The advent of mutual funds, low-cost brokerages, and the Internet has meant that the stock market is now more transparent, honest, and accessible to the small investor than ever before; * 401(k)s give the individual responsibility and control over their retirement savings, and that...