The US is banning dairy products, most alcoholic drinks and motorcycles from Canada, the White House said on Tuesday, as the trade war between the two neighbours and long-time allies escalates. The ban will take effect in three weeks and comes after Canada imposed retaliatory tariffs on US$20 billion in US imports earlier on Tuesday. A range of Canadian products from mattresses to motorboats and golf carts will be subject to a 50 per cent surcharge beginning September 15, a presidential...