OTTAWA — Prime Minister Mark Carney said Liberal MP Michael Ma continues to be part of his party’s caucus, after the floor-crossing MP apologized for his comments last week that cast doubt on China’s forced labour practices. “Mr. Ma has apologized for his comments and directly and unequivocally recognized the seriousness of the issue, continues to be a member of our caucus, and I’ll continue to work with him,” said Carney, during a housing and infrastructure announcement in Toronto on Monday. On Thursday, during a House of Commons industry committee meeting, retired senior...