Canada responds to new Trump tariffs

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Canada has announced a slew of tit-for-tat tariffs on billions of dollars' worth of imports from the United States, in an escalation of the trade war between the countries. Also: US media report that the head of the CIA has made a flying visit to Russia for talks; there's no official comment from Moscow or Washington. And Sir Billy Boston, who was the first person to be knighted for services to rugby league, has died at the age of 92.