Is "too big to fail" the reality of decade of mergers and acquisitions? Who benefitedshareholders, managers, the economy, workers of America or worldwide for that matter, from the merger activity?

Given the success and possible failure of the euro, wouldn't it be easier for everyone, both individuals and corporations, if there were but one world currency? Do you think that such a transition is likely in your lifetime? How much potential for this is in the bitcoin?

When Fidel Castro came to power, huge investment projects made by U.S. businesses were repatriated, simply taken over by the Cuban government without offer of payment. Short of going to war, little could be done to stop this action. Though the world is different today, many forward-thinking businesses are ready to invest again, this time in the Middle East and Africa. Is the potential of governmental seizure of investment another risk of international capital budgeting? How do you quantify this risk in an analysis?