A number of unions have registered as third party advertisers in the lead up to the October election, but PSAC, PIPSC and CUPW, all big spenders in 2015, haven't locked down their exact spending goals yet.

While opposition MPs say the ‘naming and shaming’ approach is no longer enough, others say political accountability should remain with Parliament and the public.

Liberal MP Steve MacKinnon, who spoke for all but one Liberal on the committee, says a comprehensive account on the affair is already in the public record, pointing to 13 hours of committee testimony and the commissioner

The Manitoba Progressive Conservatives are projected to win another majority government, which would be a boon to the federal Conservative campaign.

'We have a lot of candidates running in rural ridings, and we know that in certain areas there is big support for Bill 21,' says deputy leader Daniel Green.

The Conservatives are trying to maintain 'the greatest level of flexibility' they can by avoiding outlining specific immigration targets leading up to the election, says pollster Nik Nanos.

Opposition MPs are hopeful that Liberals on the House Ethics Committee will agree to have the ethics commissioner testify on his latest report.

At least seven candidates are seeking the Liberal nomination in the safe Liberal riding of Pierrefonds-Dollard, Que. and have signed up more than 6,000 riding association members.

Cabinet ministers with a national profile and influential portfolios are typically in demand, say political observers.