‘Bombardier exposes post-Brexit realities’ was the FT’s headline after the Trump administration imposed a 300 per cent tariff on sales of the Canadian manufacturer’s C Series aircraft into the US, threatening 4,000 Bombardier jobs in Northern Ireland. Irish Taoiseach Leo Varadkar weighed in: ‘There’s been a lot of talk of a new trade deal between the UK and the US and how great that would be for the UK, but we are now talking about the possibility of a trade war.’