The chasm between what the presidencies of Trump and Biden mean for the ‘special relationship’ between the US and the UK has starkly demonstrated how dependent the UK is on the occupant of the White House for its relationship with the US. It would be easy for the UK to forget the lessons it learned from engaging with Trump, who put less value on the bilateral relationship with the UK, because of the comparative enthusiasm of President Biden. However, it is exactly  the experience of  the Trump era that should convince UK policymakers to think about how to insulate the UK from volatility in the White House. US-UK cooperation on areas like security and defence will never be in question, but the likelihood of a broad trade deal, …