Broadcaster has sought documents under subpoena in effort to identify impact of ‘Panorama’ documentary on US president

US President Donald Trump’s lawyers asked a federal judge in May for a stay of the discovery process in his $10-billion defamation lawsuit against the BBC,

Donald Trump's legal team has refused to share financial details with the BBC. This comes amid Trump's $10 billion defamation case against the broadcaster. He accuses the BBC of…