New northern euro?

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We look at going it alone. Why Germany can't pay, won't pay, and needs - according to the former President of the Federal Association of German Industries and former European chairman of IBM, Professor Hans-Olef Henkel - to go its own way. Plus, why millions of people globally prefer a solitary life these days. What are the economic implications, and is it actually a good thing? We hear from Eric Klinenberg, author of a new book Going Solo: The Extraordinary Rise and Surprising Appeal of Living Alone. And our commentator, Sam Olukoya, reflects on the new push to make Nigeria a less cash-driven society.