New Greek Finance Minister Euclid Tsakalotos may be less flamboyant than his predecessor Yanis Varoufakis, but his views on his country's debt crisis are no less stridently held. While most commentators appear to agree that Mr Tsakalotos, 55, will be less bombastic than Mr Varoufakis in his dealings with international creditors, some argue that his negotiating stance could even be more hard line.