Teamsters challenge minister's move to resume rail service as CPKC lockout drags on

Rail workers are pushing back hard against the federal government's move to get them back on the job. At Canadian National Railway Co., trains began to move again Friday morning as workers started to return to work -- even as the Teamsters union issued a 72-hour strike notice against CN shortly before 10 a.m. ET. And at Canadian Pacific Kansas City Ltd., the union representing some 3,300 employees at Canadian Pacific Kansas City Ltd., is challenging a directive for binding arbitration issued by