Floor-crossing MP Michael Ma was director of group explicitly named as United Front organization in landmark Jamestown Foundation study

Sam Cooper/The Bureau: The diaspora organization that backed Conservative-turned-Liberal MP Michael Ma — and counts him as a former director — is now explicitly named in a landmark new study as part of the Chinese Communist Party’s overseas United Front influence network. The same association orchestrated pressure campaigns to oust two successive Conservative leaders over their stances toward Beijing, and its associates appear in Ma’s own campaign finance filings. The finding raises urgent new questions about one of the most consequential floor crossings in recent Canadian parliamentary history…