The small community of Tumbler Ridge, B.C. is in mourning after an attack that left eight people dead, including children, an educator and the shooter's mother and half-brother.

Conservative MP for northeastern B.C. Bob Zimmer speaks to The House about supporting people in Tumbler Ridge as they grapple with the tragedy and devastation of Tuesday’s violence. Then, Liberal MP and École Polytechnique shooting survivor Nathalie Provost joins the program to share why the children affected don’t necessarily need words, “they need warmth.”

Plus, as Canada gets ready to send its first astronaut all the way around the moon, some are warning of challenges ahead in maintaining peace in space. The commander of the military’s 3 Canadian Space Division Brigadier General Christopher Horner explains what’s at stake for this country — and how he believes Canada can assert more sovereignty among the stars.

Finally, they're essential to the accomplishments of world leaders, but it’s rare to hear much about a prime minister or president’s chief of staff. Host Catherine Cullen sits down with Justin Trudeau’s former chief of staff, Katie Telford, and Phoebe Saintilan-Stocks, author of The Right Hand: Conversations with the Chiefs of Staff of the World's Most Powerful People, to talk about this critical role and how much power a chief wields.

This episode features the voices of:

• Bob Zimmer, Conservative MP for Prince George–Peace River–Northern Rockies
• Nathalie Provost, Liberal MP and École Polytechnique shooting survivor
• Brig.-Gen. Christopher Horner, Commander of 3 Canadian Space Division
• Katie Telford, former chief of staff to Prime Minister Justin Trudeau
• Phoebe Saintilan-Stocks, author of The Right Hand: Conversations with the Chiefs of Staff of the World's Most Powerful People

If you're affected by this story, you can find mental health support through resources in your province or territory.