Montreal Mayor Valérie Plante travelled to Washington D.C. to attend an annual meeting at the White House. But this year, Canadian mayors were prevented from attending the meeting. (Ivanoh Demers/CBC) Montreal Mayor Valérie Plante and St. Catharines, Ont., Mayor Mat Siscoe have been excluded from an annual meeting with White House officials scheduled for Friday amid the ongoing trade war between the U.S. and Canada. The meeting, organized by the Great Lakes and St. Lawrence Cities Initiative, a bilateral coalition of over 244 municipal and regional mayors, will proceed as planned as part of theRead more