French far-left Parti de Gauche (PG) leader Jean-Luc Melenchon reacts after delivering a speech during a demonstration in Paris, May 5, 2013. The far-leftist Parti de Gauche called for a demonstration on Sunday against austerity and for the establishment of a "sixth republic", which includes diminishing the power of the president and increasing the parliament's authority, on the eve of the first anniversary of the election of French President Francois Hollande. REUTERS/Charles Platiau (FRANCE - Tags: POLITICS CIVIL UNREST BUSINESS)