Will the global powers of yesterday still play an important role tomorrow? Experts are well aware that things are changing in a globalised world. One Indian invest manager, Neeraj Bhahadwaj, says his nation’s economy is strengthening, as is its entire energy level. Jon von Tetzchner on the other hand is in Iceland, a country that has been hard hit by the economic crisis.   The two men are both Young Global Leaders. They belong to a group of young enterprising people named by the World Economic Forum that we present to you on GLOBAL 3000.