India, Jan. 21 -- Canadian Prime Minister Mark Carney delivered one of the most striking speeches at the 2026 World Economic Forum in Davos, declaring that the US-led "rules-based international order" is undergoing a historic rupture driven by intensifying great power rivalry and the erosion of global norms.

In a wide-ranging address, Carney argued that the predictable post-war system dominated by American leadership was no longer viable.

"The old order is not coming back. We should not mourn it," Carney said. "Nostalgia is not a strategy."

Though he did not name US President Donald Trump, the Canadian leader framed his remarks as a response to the geopolitical shifts accelerated by Trump's return to office.

"We are in the midst of a ...