• Host Piya Chattopadhyay speaks with The Globe and Mail's Stephanie Levitz and Joël-Denis Bellavance from La Presse about the politics of Canada's new trade deal with China

• Iranian-Canadian historian Arash Azizi and The Economist's Middle East correspondent Gregg Carlstrom unpack the anti-government protests in Iran, and the deadly ensuing crackdown

• Former Irish President and United Nations human rights commissioner Mary Robinson shares her vision for preserving human rights in a fractured world

• Crossword constructor Natan Last explores the puzzle's history, and how culture and creators are pushing it forward

In our monthly challenge That's Puzzling!, Piya Chattopadhyay competes against one familiar voice and one clever listener in a battle of brain games devised by puzzle master Peter Brown. Playing this week are Andi Petrillo, host of CBC's daytime coverage of the Milan-Cortina Olympics, and Annapolis Royal, N.S. listener Jennifer Goddard.

• Host Piya Chattopadhyay speaks with Canada's former NATO ambassador Kerry Buck and international politics professor Mark Webber about the future of NATO

• Reporter Jacob Soboroff explores what last year's L.A. fires reveal about the politics of disaster

• Canadian Nobel Prize laureate Peter Howitt unpacks the economic theory of "creative destruction"

• Our monthly challenge That’s Puzzling! returns with special guest Andi Petrillo