Guest host David Common speaks with political journalists Rob Benzie, Stephanie Levitz and David Sanger about the ongoing trade war with the U.S. and Mark Carney's first moves as prime minister, The Sunday Magazine's Pete Mitton explores what's behind renewed energy around oil and gas, historian Stephen Bown reflects on Hudson's Bay's legacy as it as it announces plans to liquidate if it can't secure financing, retail strategist David Ian Gray talks about how primed businesses are to meet the "buy Canadian" demand, and The Atlantic's Zoë Schlanger shares the latest science around plant intelligence.

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