On Fri, 17 Jun 2016 17:38:20 +0100, The Natural Philosopher wrote:

It's also why we separate trade deals are utterly pointless while we're
in the EU - because if the UK applied zero duty to US goods in a
category, but Germany didn't, we could buy the same things through
Germany and not pay the duty.

I have read the above three times, and am still scratching my head.

Sorry. You're right. What I meant to say was that if the UK applied duty,
but Germany didn't.