Did Britain spy on Trump? The president has suggested so. To find out, in this final episode we track down the man who made the claim first, an FBI official on the Russia probe and a UK minister caught in the middle. The answer reveals something about the true nature of Trump World. Read more at www.telegraph.co.uk/crossfire |Sign up to the US 2020 newsletter: http://telegraph.co.uk/podcast-us2020 |Get 30 days’ free access to The Telegraph online: www.telegraph.co.uk/audio  |Contact us: podcasts@telegraph.co.uk |See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.