When Rishi Sunak steps off the plane in Bali for what will be his first major diplomatic test as prime minister, there is a forecast for heavy rain on the Indonesian island paradise and a veil of gloom over the prospects for any agreement between G20 leaders.
The longest shadow has been cast by Russia – and that country’s membership of the G20 means that British officials acknowledge it will be nearly impossible for the leaders to agree a communique at all.
