The NDP has held Outremont since 2007.
He's leaving Ottawa at the end of the current session.
A body language expert dissects the party leaders' style.
The exact date will be announced in the "near future."
How the hell a former punk rocker ended up in federal politics
Decision time soon to replace Thomas Mulcair.
NDP leader hammers Liberals for backing away from a pledge on access to information.
Pick for languages watchdog spurred controversy.
The NDP are using a similar ballot to the Conservatives.
The opposition has stood united against Meilleur's appointment.