For Europe, there's a new threat in town: The US

The French, who are being tough on a British withdrawal and are deeply disconcerted by Mr Trump, see him as a bigger threat to European cohesion, said Charles Grant, director of the Centre for European Reform. “They see the three great world powers — Russia, China and now the US — wanting to destroy the EU,” he said. One impact of Mr Trump that Mr Tusk is clearly hoping for, Mr Grant said, is “to reinforce a feeling of solidarity among mainstream European politicians.”