CTV: Poilievre has also lost seven other MPs since last fall. Chris d’Entremont, Michael Ma, Matt Jeneroux and Marilyn Gladu all crossed the floor to the Liberals over the course of several months, while Richard Martel left for a Senate appointment. Larry Brock and Cathay Wagantall, meanwhile, have recently left federal politics, leaving their seats vacant.
In his letter, Aitchison saluted Poilievre, saying that it “has been a privilege to serve” alongside the Conservative leader and his caucus colleagues…