Peter Rough joins CBC News Network's Andrew Nichols to discuss U.S. Defense Secretary Jim Mattis and what it means such allies, such as Canada going forward.
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Turkey's President Tayyip Erdogan, Japan's Prime Minister Sanae Takaichi, and Indonesia's Vice President Gibran Rakabuming Raka during the G20 Leaders' Summit in Johannesburg, South Africa, on November 22, 2025. (Getty Images)