The Canadian Press The NDP’s supply and confidence deal with the Liberals in Ottawa will get heavy scrutiny when leader Jagmeet Singh meets with his caucus in Montreal next week, with the Liberals’ decision last month to force binding arbitration to end a work stoppage at the country’s major railroads potentially triggering the end of the pact. Liberal House Leader Karina Gould insisted last week that the deal will last until its planned end point next June. However NDP labour critic Matthew Green says the NDP has been re-evaluating the deal after Labour Minister Steve MacKinnon directed the Canada Industrial Relations Board to impose binding arbitration less than 24 hours after Canadian Pacific Kansas City and Canadian National Railway locked out their workers after failing to reach a contract deal…