Canadian officials return to Washington as trade negotiations continue

Live from Washington, Vassy Kapelos checks in with CTV National News Senior Political Correspondent Mike LeCouteur for the latest on trade. We also pick the brain of Lisa Raitt, a former Conservative Cabinet Minister and a member of Prime Minister Carney's Advisory Committee on Canada-USA Economic Relations. On today's show: Dr. Bishal Gyawali, a Medical Oncologist and Professor of Medical Oncology at Queen's University, reacts to new progress from Merck and Moderna on potential mRNA cancer vaccines. Talk Science To Me with CTV Science and Technology specialist Dan Riskin: The science of writing your dating-app bio. The Daily Debrief Panel - featuring Robert Benzie, Laura Stone, Marieke Walsh, and Mike LeCouteur. Afua Hagan, CTV News' Royal Commentator, reacts to reports of Prince Harry and Meghan Markle returning to the United Kingdom.