Why three byelections could change makeup of House of Commons

The Canadian Press: If the Liberals hold the two Toronto seats, they’ll have 172 MPs and a majority in the House of Commons.

But the House Speaker is Liberal MP Francis Scarpaleggia and the Speaker only votes in the event of a tie. A government with 172 seats needs at least one opposition member to vote with them or abstain from voting to pass legislation.

If the Liberals win in Terrebonne, they’ll have that critical extra vote….