Most entrepreneurs won't fail because of the economy. They won't fail because of competitors, funding, or bad timing. They'll fail because they never asked themselves the questions that actually matter, and by the time reality forces the answer, it's too late. In Part 1 of this 5-part episode series, David Spisak opens with the foundation: five questions designed to expose the truth about your business before the market does it for you. One of them is the same question Kevin O'Leary uses to g...