U.S. senators push back against 'fake emergency' Trump relied on to justify Canadian tariffs

Open this photo in gallery: In an interview with The Globe and Mail, U.S. Senator Tim Kaine called the case for tariffs on Canadian goods ‘specious.’ Mr. Kaine speaks to members of the media at the U.S. Capitol, in on March 12.Nathan Howard/Reuters U.S. Senator Tim Kaine is leading a challenge to the White House's justification for imposing tariffs on goods from Canada, arguing that the Trump administration created a "fake emergency" over Canadian fentanyl as a means to bypass congressional oversight. The 2016 Democratic nominee for vice-president is forcing a Senate vote in a bid to block the powers…