[section_tc][column_tc span=’12’][text_tc timing=’linear’ trigger_pt=’0′ duration=’1000′ delay=’0′] MEXICO CITY (Reuters) – A Mexican presidential candidate denounced on Tuesday alleged surveillance of his movements by the government and demanded an explanation, the latest in a series of accusations that Mexico is spying without due cause on its own citizens. Ricardo Anaya, a former congressman in second place in many opinion polls ahead of July’s election, published a video on Twitter that shows…