18:30Great LivesEpisode 9: Robert KennedyBBC Radio 4 Duration: 30 minutes Thu 18th May 2017, 18:30 on BBC Radio 4 ExtraAvailable for over a yearListen now4 Extra Debut. Former London mayor Ken Livingstone chooses US politician Robert Kennedy, who was assassinated in 1968. With Matthew Parris. From February 2009.GenresFactualLife StoriesFormatsDiscussion & TalkBrandGreat Lives Source: BBC Online