ATHENS, GREECE - JANUARY 27: Greece's Prime Minister Alexis Tsipras (C) is accompanied by associates as he walks out of his office on his way to the Presidential Palace to attend his government's swearing in ceremony on January 27, 2015 in Athens, Greece. Alexis Tsipras was sworn in with a secular oath, rather than the traditional Greek Orthodox ceremony, becoming the youngest man to hold the post of Prime Minister in 150 years on Sunday. (Photo by Milos Bicanski/Getty Images)
