by Susanne Amann, Der Spiegel, Germany - The former Fed chief's message was clear: Despite all the turbulence currently rocking the markets, there's no reason to panic. But it remains to be seen whether people will actually follow Greenspan's advice. After all, the near bankruptcy of Bear Stearns, a company as American as peanut butter and jelly, has reinforced the devastating impression that some of the world's biggest banks no longer have any clue how to steer relatively unscathed out of a seemingly never-ending loan crisis.