Scheer slams Trudeau after McCallum fired

OTTAWA -- After a week in which he twice weighed in on a high-stakes extradition case, John McCallum is out as Canada's ambassador to China -- although for Conservative Leader Andrew Scheer, the damage has already been done. "It should never have come to this," Scheer tweeted Saturday, after the prime minister's office released a statement announcing McCallum's resignation at the request of Justin Trudeau. That move came just hours after McCallum was quoted in a Vancouver newspaper saying it wou