Greece is the economically sick man of Europe - staggering from one debt repayment deadline to the next; in grave danger of falling headlong into the hole labelled 'default'. The European Central Bank and a powerful bloc of eurozone countries led by Germany appear to have lost patience with the leftist Syriza government in Athens. Hardtalk speaks to the former head of the European Central Bank Jean-Claude Trichet and asks if the eurozone is about to be plunged into a new phase of existential crisis.