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Sir Ed Davey is a mallet wielding, man on a mission. That mission is to demolish the Conservative 'blue wall' which he's already made a hole in after the surprise Liberal Democrat victory at the Chesham and Amersham by-election in June this year. With a First class degree from Oxford, he could have ended up as a spy, but instead chose the path well trodden for a PPE graduate, politics, taking a job as Economics Researcher to the then leader, Paddy Ashdown. He's committed to renewable energy and brought us wind farms during a stint as Energy Secretary in the Coalition Government in 2012, but can he keep the lights on for the Liberal Democrats? Presenter: Mark ColesProducers: Julie Ball Bob Howard Editor: Richard Vadon

The seminal rapper and billionaire fashion mogul Kanye West's new album Donda is named after his late mother, who was an influential figure in his life. It's gone straight to number one in many countries, it's the most successful album of the year already, clocking up over 180 million streams in just 24 hours. Some consider Kanye West - who also calls himself Ye - a creative genius. Others have been put off by controversial behaviour. President Obama called him a "jackass", after Kanye interrupted Taylor Swift's acceptance speech for a video music award to say Beyoncé "had one of the best videos of all time", implying she should have won instead. He apologised later. The hip hop artist doesn't lack self-belief. He has called himself a "God", and compared himself to the likes of Picasso and Shakespeare. But could he have a point? Even Barack Obama admitted that Kanye is "very talented" too. And experts say he has changed the genre, both as rapper and as producer. There is "hip hop before Kanye West, and hip hop after Kanye West". And then there is fashion - his designs of popular trainers and clothes have made him a billionaire. So what drives the controversial yet highly successful artist? Mark Coles dives into Kanye West's life and work to find out. Producer: Arlene Gregorius Researcher: Maia Lowerson

Following a sometimes ugly campaign, Britain's second largest trade union, Unite, has elected its first woman leader, Sharon Graham. But who exactly is she? Jealously guarding her privacy, Unite's new 52 year-old head represents a significant break with the union's retiring chief, Len McCluskey and, it would seem, his close political links with the Labour Party. Instead, centering her campaign on bringing the union "back to the workplace", Sharon Graham has emphasised her own focus on jobs, pay and conditions. She has called for "an obsession" with the Labour Party to stop and instead for "bad bosses" to be held to account. She claims to have won fifteen disputes without a defeat. But her policies are not without their critics. The strategy she has pioneered for "leveraging" disputes with employers by applying pressure across company activities has been attacked as "chilling". And within the union itself - where two-thirds of the members are men - accusations of misogyny have been levelled. Edward Stourton discovers how Sharon Graham has made it to the top of Unite, what makes her tick and what the union's members, employers, politicians and the public at large can expect from her. Among those taking part: Roz Foyer of the Scottish TUC; John Cooper of Unite; Gail Cartmail, President of the TUC; and Sebastian Payne of the Financial Times. Producer Simon Coates