FILE - In this Aug. 12, 1957 file photo, Cheddi Jagan and his U.S.-born wife Janet Jagan are pictured with their two children, Cheddi Jr. and Nadira and their dog, at their home in Georgetown, Guyana. Documents declassified Friday, Aug. 26, 2011, by Britain's MI5 security service reveal in dramatic and everyday detail how the U.K. under Prime Minister Winston Churchill overthrew the elected government of British Guiana _ now Guyana _ because he feared its left-wing leader and his American wife were leading the British colony into the arms of the Soviet Union. The documents reveal how British spies kept up intense scrutiny on Cheddi and Janet Jagan, who founded the People's Progressive Party to campaign for workers' rights and independence from British rule for the sugar-producing colony in northern South America. ( AP Photo/File)