Antonis Samaras (right) is sworn in as Greece's prime minister during a ceremony at the Presidential Palace in Athens on Wednesday as Greek President Karolos Papoulias (background, center) looks on. Mr. Samaras heads a three-party coalition committed to upholding the country's international bailout commitments. (Associated Press)

Antonis Samaras (right) is sworn in as Greece's prime minister during a ceremony at the Presidential Palace in Athens on Wednesday as Greek President Karolos Papoulias (background, center) looks on. Mr. Samaras heads a three-party coalition committed to upholding the country's international bailout commitments. (Associated Press)