Liberal MPs have insisted their caucus is unified, despite a high-profile cabinet resignation in the wake of Thursday's pipeline ‘Memorandum of Understanding’ between Prime Minister Mark Carney and Alberta Premier Danielle Smith. Steven Guilbeault called the agreement a "serious mistake" in his resignation letter – and he's not alone. Mackenzie Gray reports on the Liberal Party's efforts to calm backlash in British Columbia, where there is heavy opposition against the project.