Tue 27 Mar in UK: Part one of two. Richard Bilton speaks to leading members of the US Government about the impact of the publication of more than 250,000 diplomatic messages or cables on the WikiLeaks website, founded by Australian internet activist Julian Assange. Bilton examines what the cables reveal about America's dealings with deposed Egyptian president Hosni Mubarak and the decisions made by diplomats over the repatriation of prisoners held at Guantanamo Bay