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Greece says goodbye to bailouts and is now free to borrow money on the financial markets - we hear from the Greek Europe minister George Katrougalos. Pope Francis has written an unprecedented letter to all Roman Catholics to condemn sexual abuse by priests -- but campaigners say they want action, not words. We speak to a former Vatican media advisor. Venezuela's government introduces a new currency, to combat hyperinflation - but is there a more effective alternative? We hear from an expert who helped other countries do it. And 50 years on we remember the Soviet-led invasion in Czechoslovakia which crushed the Prague Spring.