Chris Severson-Baker, executive director of the Pembina Institute, reacts to Alberta Premier Danielle Smith's decision to invoke the Alberta Sovereignty Act over her feud with Ottawa over its clean electricity regulations. Liberal MP Yasir Naqvi, one of the people vying for the Ontario Liberal Party leadership, explains why he believes he still has a path to victory. Polls analyst Éric Grenier (The Writ) discusses the latest national numbers as the Conservatives continue to lead in the polls and fundraising.