Premier Danielle Smith and the Alberta government ended a three-week teachers' strike by forcing them back to work and invoking the notwithstanding clause — pre-emptively shielding it from constitutional legal challenges. Andrew Chang breaks down the UCP government's reasons for using the clause, why it's causing alarm beyond teachers' unions and why reaching a deal has been so difficult for both sides. 00:00 - Intro 01:26 - The roots of unrest 05:00 - The turning point »»» Subscribe to CBC