Collusion - how Russia helped Trump win the White House

Moscow, July, 1987. Real-estate tycoon Donald Trump visits Soviet Russia for the first time at the invitation of the government. London, December, 2016. Luke Harding meets former MI6 officer Christopher Steele to discuss the president-elect's connections with Russia. Harding follows two leads; money and sex. Washington, January, 2017. Steele's explosive dossier alleges that the Kremlin has been 'cultivating, supporting, and assisting' Trump for years and that they have compromising information about him. Trump responds on twitter, 'fake news'. Here, award-winning journalist Luke Harding reveals the true nature of Trump's decades-long relationship with Russia and presents the gripping inside story of the dossier.