TV and radio

21 August Straw poll BBC Radio 4, 1.10 to 2pm The fourth of six debates on issues of perennial interest, chaired by Nick Clarke in front of a specially invited audience. The motion this time is 'Parenthood should not be regarded as a right'. 23 August Book of the week: I'm a teacher, get me out of here! BBC Radio 4, 9.45 to 10am Jack Davenport reads Francis Gilbert's frank and vivid account of the life of a young teacher in an inner-city school. First in a daily series. 24 August That'll teach 'em Channel 4,...