Film star Vanessa Redgrave stepped in to help in the release of fellow actor Ahmed Zakayev, a Chechen rebel envoy accused of mass murder, who is seeking political asylum in the UK. It is not the first time the actress has spoken out publicly on causes she supports. BBC News Online takes a look at the political episodes that have featured in her life. Vanessa Redgrave, born in 1937, is a fully-fledged member of an acting dynasty. She is the daughter of actors Sir Michael Redgrave and Rachel Kempson, sister of Corin and Lynn Redgrave, and mother of Natasha and...