Markets wincing at every twist in Marine Le Pen’s electoral fortunes have helped revive political risk in the heart of the euro zone. Yet they may be overlooking a subtler threat to bondholders, in the form of billionaire Silvio Berlusconi’s comeback plan. At the age of 80, the three-time prime minister and media mogul is seeking to overturn a ban from public office and dip his toes back into in the country’s political arena. That he’s doing so amid a rupture in the Italian left means analysts are starting to take seriously his candidacy -- and with it, his proposal to introduce a parallel currency. “The return of ... (full story)