President Trump likes to back winners; but as he lands in the UK some Labour MPs call Sir Keir Starmer an electoral loser. So how does the prime minister maintain his own special relationship with the president? And, another British politician gets into a war of words with Donald Trump’s former associate Elon Musk. Newsnight asks Lib Dem leader Sir Ed Davey why he wants to block all of Musk’s contracts in the UK. With Katie Razzall.