Venezuelan President Hugo Chavez (R) kisses the effigy of a doctor next to his Bolivian counterpart Evo Morales (L) before leaving for Cuba for the fourth session of chemotherapy to treat cancer at Miraflores Palace in Caracas, capital of Venezuela, in this picture provided by Prensa Presidencial of Venezuelan President, Sept. 17, 2011. (Xinhua/Prensa Presidencial)