A supporter raises his clenched fist as he listens to the speech of acting president Nicolas Maduro (not depicted) during the official registration of his candidacy for the upcoming presidential election at the National Electoral Council (SNE) in Caracas, on March 11, 2013. Venezuela has entered a bitter election race to succeed Hugo Chavez, with his chosen successor branding his challenger a "fascist" after the opposition candidate accused him of exploiting the late leader's death. TOPSHOTS/AFP PHOTO/Luis Acosta