Simon Marks reacts to Donald Trump's 'infantile' trade war with Canada - complete with 'crayons and colouring books'. Listen to the full show on the all-new LBC App: https://app.af.lbc.co.uk/btnc/thenewlbcapp #mattfrei #simonmarks #donaldtrump #trump #uspolitics #politics #carney #markcarney #cana...