As Canadian Premiers prepare to testify at Parliament Hill over the pending Carbon Tax hike, Prime Minister Trudeau says he is open to other carbon pricing systems. We dig deeper as the show continues. Meantime, Canada’s top police force is focused on delivering change, as the Mass Casualty Commission unveils its latest findings. That story is coming up in Hour 1. Plus, as we inch closer and closer to April’s Solar Eclipse, how long will it last? All will be answered during this week’s Explainer segment, featuring Queen’s University physics professor Robert Knobel.