Host Piya Chattopadhyay speaks with The Economist’s Rob Russo and The Globe and Mail’s Shannon Proudfoot about Prime Minister Mark Carney's priorities heading into fall, mathematician and educator Eugenia Cheng explains how math can help us better understand the world, legendary activist and conservationist Jane Goodall shares how to stay hopeful amid climate and political instability, and Canadian hip hop icon Shad and Toronto listener Clare Hodge kick off an all-new season of our monthly challenge That's Puzzling!

Discover more at https://www.cbc.ca/sunday