America's objectives for a trade agreement with Britain spell out a stark Brexit future.
The white paper, which outlines Britain's vision for Brexit, does make independent trade deals tricky.
Efforts to keep Trump's itinerary as tight and cloistered as possible failed to avoid a classic diplomatic calamity.
Much of the debate around trade deals misses some of the fundamentals of what they actually are and involve.
President-elect Donald Trump has offered the UK a quick post-Brexit trade deal but he'll face some legal hurdles to make it happen.