Why did Syriza fail?

Garganas, Panos
http://isj.org.uk/why-did-syriza-fail/

Publisher:  International Socialism
Date Written:  05/10/2015
Year Published:  2015  
Resource Type:  Article
Cx Number:  CX18274

How has Syriza ended up this way? This is a question that is tormenting a big part of the left and that all the forces that situate themselves on the left must answer.