What makes a good leader - someone with the ability to get others to follow, sometimes into the unknown? From the Stratford Festival, a discussion about leadership three successful (women) leaders: Chief Ava Hill from the Six Nations, Anita Gaffney, Executive Director of the Stratford Festival, and Samantha Nutt, founder and Executive Director of War Child Canada.

Although he's not yet officially eligible to collect his pension, Dr. David Naylor is already President Emeritus of the University of Toronto - having occupied the office itself for eight turbulent years from 2005 - 2013. Before that, Naylor was Dean of Medicine at U of T, and Chair of the National Advisory Committee on SARS. Right now, he's interim head of the Hospital for Sick Children in Toronto. And he was recently awarded the 2018 Henry G. Friesen Prize for Health Science Research. David Naylor talks with Paul Kennedy about his life and work, and about his recent Friesen Prize Lecture at the University of Ottawa.

We've heard it so much that it's almost become a cliché: America is on the road to fascism. The debate over that claim continues, but renowned scholar Henry Giroux argues that "Donald Trump is not just some impulsive rich guy who marketed his way into politics through empty Kardashian-style consumer culture". Trump needed followers. And he got them. Now what?

Four centuries of fur-trade trapping nearly wiped beavers off the North American map. Now they're back, big time, and we're discovering that sharing the landscape with such tenacious ecosystem engineers isn't always easy. We're also learning that there are compelling reasons to try to coexist with this iconic species. Contributor Frances Backhouse explores how two control freaks - humans and beavers - can get along.

In our age, many societies look like they're hurtling towards disorder and disunity. For all of our technological sophistication, the centre isn't holding, great civilisations seem less united than ever. Wade Davis thinks we need to pay more attention to the values, the voices, and the concerns of Indigenous peoples. We have a lot to learn by listening more carefully. Wade Davis in a discussion with Paul Kennedy, with excerpts from a lecture at the Ontario Heritage Trust.

Environmental problems are well-known and have been for decades, but we still appear to be edging towards a global catastrophe. Why? Environmentalist Graham Saul believes that part of the problem is environmentalism itself. He believes it has a message problem - mainly because it doesn't have a single, coherent, unified message that people can grasp. Graham Saul has been on the forefront of environmental thought and activism for over 25 years. In this lecture, he parses the problem and points towards a step with potential planet-saving implications.

A guest checks into a Las Vegas hotel suite, and makes it a fortress, staging a mass shooting on the city below. It's a horrific act that seems to subvert the very ethos of hotels - places of hospitality and calm. Yet hotels contain multitudes. They are sites of fantasy and functionality, pleasure and trouble. Their spaces are public and private, workplace and bedroom. They exist to house us temporarily, in luxury or in squalor. IDEAS producer Lisa Godfrey explores hotels, both in reality and the imagination, with hotel workers, designers, and writers - to reveal how hotels reflect private desires and social truths.

Young couples face a complicated decision at a time when the dire consequences of climate change are becoming clearer, is it ethical to bring a child into the world? Science journalist Britt Wray talks with parents, prospective parents, ethicists and children on this thorny question.

Prize-winning journalist Tanya Talaga (author of Seven Fallen Feathers) explores the legacy of cultural genocide against Indigenous peoples in her 2018 CBC Massey Lectures series, titled All Our Relations: Finding the Path Forward.

Prize-winning journalist Tanya Talaga (author of Seven Fallen Feathers) explores the legacy of cultural genocide against Indigenous peoples in her 2018 CBC Massey Lectures series, titled All Our Relations: Finding the Path Forward.