Tony Barber of the Financial Times has posted an excellent article on the Greek Prime Minister’s, Alexis Tsipras, internal debate on whether to perform the long-waited KOLOTOUMBA.

Full article at http://www.ft.com/cms/s/2/2b6ab8d4-e27d-11e4-aa1d-00144feab7de.html#ixzz3XIlWQBwu
The article’s conclusion is indeed conclusive
Mr Tsipras seems, then, a flexible politician who, if he chose, could perform a “kolotoumba” and dump the Syriza diehards. A different interpretation is that he is preparing the ground, in the event of a default, for an appeal to all patriotic forces to back him.
In only a matter of days, we will find out the truth.