A well-known British newspaper recently confirmed longtime rumors that the U.S. Central Intelligence Agency had a hand in the arrest of Nelson Mandela in 1962.A report in The Sunday Times newspaper recently confirmed that retired C.I.A. agent Donald Rickard leaked information to the C.I.A. that led to Mandela’s arrest and imprisonment for nearly 28 years. According to the Times, a British filmmaker named John Irvin interviewed Rickard in 2016 where the spy explained how he helped the South African government arrest Mandela by shar …