christopher hitchens and tony blair, who can forget the evening on religions impact on the world. henry kissinger, year ago today, was on the stage. eighty-two years of age, participating in his first public debate. eloquently arguing against china owning the 21st century. just a matter of months ago, larry summers and paul taubman went head-to-head in the future of the north american economy. it's entertaining and engaging as those were, they did not have the urgency of tonight's debate. last month, the unthinkable has become the thinkable when it comes to the future of europe. as early as next month, with the second greek elections, we can see greece choose to leave out of choice or necessity, the euro zone. many people have predicted that that could cause a catastrophic spike in the cost of the worlds largest nations, spain, italy, and a bank run throughout the euro zone. the result could be an implosion both politically and economically of the european union, it might include north america and the world. .. they do 23, and an advanced economy that is responsible for a quarter