News that SNC-Lavalin Group Inc. passed over at least two francophone contenders for the company's top job before deciding to hire American Robert Card as its chief executive officer has stoked political fires in Quebec.

PQ leader Pauline Marois, who is pushing to toughen Quebec's controversial French language laws, has turned the appointment into a campaign issue.

Earlier, Globe and Mail reporter Shawn McCarthy and McGill University politics professor Antonia Maioni took your questions about this story in a live online discussion.

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Mobile readers can read the transcript here.