Liberals are almost guaranteed a majority — but 172 seats would be a 'poison pill'

OTTAWA — Until last week, the federal byelection in Terrebonne was supposed to help push Prime Minister Mark Carney’s government to a majority. Now, as one Liberal operative puts it, a win in the Montreal-area riding would ensure a more “secure” majority.

While NDP MP Lori Idlout’s decision to cross the floor to the Liberals ...