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The life story of Commons Speaker John Bercow. He has announced he will stand down at the end of October after ten highly controversial years in the job. In turbulent political times, he’s proved to be a polarizing figure. For some, he is the backbencher’s champion - the most modernising Speaker in parliament’s history. Others accuse him of bias, and deliberately trying to stop Brexit. Mark Coles talks to friends, colleagues and critics of Speaker Bercow - hearing about his long political journey which started on the far right - and how he wooed his now wife with feats of rhetoric. And with his thunderous shouts of ‘Order Order’ now mimicked and memed around the world, we hear how for some, he has become an unlikely social media superstar. Producer Smita Patel Researcher Darin Graham

This week David Gauke - MP for South West Hertfordshire - shook the government he served as a cabinet minister only a few weeks ago, voting to stop Boris Johnson taking the UK out of the EU without a deal. He's given the Tory rebels their label: the "Gaukeward Squad." Edward Stourton looks at the life of this unlikely rebel. Producers: Darin Graham and Smita Patel

Peter Navarro is the economist and key White House advisor who’s egged President Trump on in his bitter trade war with China. It’s a conflict some fear threatens the stability of the global economy. Producer Smita Patel Researcher Darin Graham

Arguably the most controversial appointment of new Prime Minister Boris Johnson’s reshuffle was that of 47-year-old Dominic Cummings as his head of Brexit strategy. After serving as Michael Gove’s special adviser in the Department for Education, his role as the mastermind behind Vote Leave changed the course of British history – and now he is back to finish what he started. How did a swotty schoolboy from Durham come to be hailed as a political genius, and the most feared – and revered – man in Whitehall? Presented by Becky Milligan Produced by Jordan Dunbar Researched by Kirsteen Knight and Eleanor Biggs

Ihlan Omar is the 37-year-old Somali-born US congresswoman - one of only two Muslim women ever elected to Congress - who's become a thorn in President Trump’s side and on the receiving end of his temper. Omar was one of four congresswomen Trump told to “go back” to where they came from. So who is Ilhan Omar, why has she got the President’s back up - and what's he really up to in targeting her? Mark Coles has been finding out. Thank you to Norah Shapiro for use of clips from her documentary 'Time for Ilhan'. Researchers: Khadidja Ndiaye and Kirsteen Knight Producer: Phoebe Keane