04:00This Sceptred Isle: The 20th CenturyEpisode 19: 1924 - The First Labour PM and the Zinoviev LetterBBC Radio 7 Duration: 15 minutes Sat 1st Aug 2009, 04:00 on BBC Radio 7Across the decades, Christopher Lee's vivid account of Britain's fast-paced history. Narrated by Anna Massey with Robert Powell.GenresDramaHistoricalFactualHistorySeriesThis Sceptred Isle: The 20th Century Source: BBC Online