Marc Garneau has been a naval officer, an astronaut and a cabinet minister. He’s led the Canadian Space Agency and served as ‘Capcom’ at NASA – that is, the voice of Houston on shuttle missions. For his remarkable career(s), his name is etched in the history books, on two highschools and a postage stamp. Garneau talks to host Edward Greenspon about a life of no regrets, the highs and lows of astronaut life, and why he’s never asked Justin Trudeau about his exit from cabinet.