My Lords, the US is not just our single biggest market; it is bigger than our second, third and fourth markets put together, and nearly as big as our second, third, fourth and fifth put together. A million Brits turn up every day to work for US-owned companies, and a million Americans turn up every day to work for British-owned companies. Will the Minister confirm that, if we followed the suggestion of the Lib Dem Front Bench and joined the EU customs union, not only would we not be able to negotiate a trade deal, either with the US or with anyone else in the world, but we would be subjected to all the tariffs that Trump is likely to impose on the EU in return for no benefit whatever?