As President of the European Central Bank, Mario Draghi may have the most difficult job in all of Europe.<br /><br />This former advisor to Prime Minister Silvio Berlusconi, must show the world's financial markets that he is entirely independent, even as his own nation's economy faces its own problems.<br /><br />Now with Greece's entry into the eurozone being called further into question, Draghi must also convince investors the world over that Euro is still a viable and valuable currency.<br /><br />Al Jazeera's Nick Spicer reports from Frankfurt.
