Joe Biden on Thursday night faces a live TV audition in front of a swelling number of Democratic critics at the end of a Nato summit that has been overshadowed by doubts about the 81-year-old president’s staying power.
Sir Keir Starmer and other leaders from the 32-nation alliance have spent two days trying to thrash out mechanisms to guarantee support for Ukraine, in part to guard against the risk of Donald Trump upending Western stability if he beats Mr Biden in November.