ATHENS, GREECE - JANUARY 27:  Yanis Varoufakis arrives at the Presidential Palace to be sworn in as the Finance Minister under the country's new left wing government 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)