ADVERTISEMENT Venezuela opposition leader Maria Corina Machado was arrested Thursday when her convoy was intercepted by security forces as it departed an anti-government protest in Caracas, according to aides. Machado emerged from months of hiding earlier Thursday and reappeared in public as part of a last-ditch attempt to block President Nicolás Maduro from clinging to power. Machado’s press team said in a social media post that security forces fired on the motorcycle convoy as it was leaving