I recently returned from a family vacation in Europe and having previously lived and worked extensively there I was once again struck by the distinct cultural differences in business from which American entrepreneurs could learn a thing or two when contemplating business change. And so I present 4 key business lessons from European entrepreneurs. Lesson 1 from the Italians: Be passionate about your customers. No one can deny that the Italians are a passionate people. One need only witness an animated mobile phone conversation complete with wild hand gestures, or the expressiveness of an Italian driver to know this is …