The Great Recession officially started in December 2007, according to the bean-counters at the National Bureau of Economic Research. But the better question is not when the last financial crisis began, but when the next one will. According to some creative analysts at the management consulting firm Oliver Wyman, that date is April 26, 2015. …If anything will prevent the next financial crisis, it will be financial firms recognizing bubbles and popping them early, with regulators stepping in to ensure that risk-takers are the ones eating the losses. Vigilance is the word.