Thousands of great new ideas are hatched each year, but before most ideas get to the marketplace they are doomed to failure. Why? Much of the failure is tied to dreamers who aren't doers and doers who aren't dreamers. The result stems from an innate inability for either group to accept their own limitations and share the responsibilities and rewards with others who are fully competent but whose professional talents are expressed in unique and different ways. Here are practical insights that pinpoint primary problems in start-up and existing companies that never cross that line from potential to successful--problems that could be addressed long before many companies drift into the pipeline of doom.