Greek Prime Minister Antonis Samaras and Mrs. Merkel speak before their meeting Tuesday at the Maximos Mansion in Athens. Amid draconian security measures and a mass protest, Mrs. Merkel was making her first visit to Greece since the eurozone crisis began there three years ago. (Associated Press)

Greek Prime Minister Antonis Samaras and Mrs. Merkel speak before their meeting Tuesday at the Maximos Mansion in Athens. Amid draconian security measures and a mass protest, Mrs. Merkel was making her first visit to Greece since the eurozone crisis began there three years ago. (Associated Press)