Celebrity appearances in the Allan Gregg in Conversation (Audio) Podcast

Salman Rushdie

Jeremy Rifkin

Deepak Chopra

Russell Peters

Naomi Klein

Niall Ferguson

David Suzuki

Maude Barlow

Gwynne Dyer

Walter Isaacson

Bill Clinton

Richard Dawkins

Dambisa Moyo

Richard Nixon

Osama Bin Laden