Wednesday briefing: How Canada has turned a trade dispute into a defence of its sovereignty

In today’s newsletter: A collapsing trade deal has united Canadians more than ever, in an existential confrontation with the US presidentGood morning. When the Guardian asked Canadian readers whether they planned to boycott US products after dramatic escalations in the ongoing DC/Ottawa trade war, we received more than 2,000 responses within 12 hours.This inundation is perhaps evidence of the existential crisis many Canadians feel they now face, something often lost in the granular reporting of trade negotiations: this is about so much more than the price of lumber.US news | Dolly Parton, one of the greatest singer-songwriters in country music who was also much cherished for her philanthropy, has died aged 80.UK news | UK citizens will be told to stock up on tinned food and take steps to e