Host Piya Chattopadhyay breaks down the NDP-Liberal breakup with Toronto Star national columnist Susan Delacourt and The Line's Matt Gurney, writer and publisher Roland Allen explores why the notebook still endures in the digital age, statistician Nate Silver weighs the rewards of taking risks in politics and beyond, and our monthly challenge That's Puzzling! returns.
Discover more at https://www.cbc.ca/sunday