Carney’s top trade negotiators are back in Washington

Canada-U.S. Trade Minister Dominic LeBlanc and chief trade negotiator Janice Charette are back in Washington just days after wrapping their last trip to the U.S. capital — is this a sign that talks are intensifying? The CBC's Kate McKenna has the details. Plus, according to a letter sent by the Canadian Security Intelligence Service to Alberta's Opposition leader, the province's fall referendum could be a target for foreign interference. Power & Politics talks to Alberta NDP Leader Naheed Nenshi about what CSIS is doing to monitor those risks.