The proudest mom in Canada. Margaret Trudeau resided at 24 Sussex as the wife of former prime minister Pierre Trudeau. Three decades she'll be returning — to visit her son.

Margaret Trudeau is shown in Montreal, Wednesday, June 19, 2019. Trudeau says one of the goals of her one-woman show is to kill the conventional wisdom around what is, and isn’t, a play.

The Star’s Heather Mallick talks with Margaret Trudeau, still struggling with mental illness, and her new autobiography.