Ruthie Henshall; Call the Midwife; artists on the election trail

With Kirsty Lang.The TV drama series Call the Midwife follows the working and personal lives of a team of midwives working in east London in the 1950s and is based on the memoirs of Jennifer Worth. The second series starts on Sunday on BBC One. Writer and reviewer Dreda Say Mitchell reflects on its appeal, and whether it can sustain its success.Ruthie Henshall is an actress, singer and dancer and has starred in many popular musicals - including Les Miserables, Cats and Cabaret. She's about to begin a UK tour - where her show will include many of the greatest musical hits of the past 20 years. She discusses her career, and the demands made on musical theatre performers.What does an artist see in an election campaign? Nicola Green, whose silkscreen prints reflecting on Barack Obama's 2008 presidential campaign go on show today at the Walker Art Gallery, and photographer Simon Roberts, the official Artist for the UK's 2010 General Election, discuss their experiences of following politicians on the campaign trail. Producer Ellie Bury.