Marco Rubio considers it an "overused term"  while Friedrich Merz  thinks it "no longer exists" . But while the US Secretary of State and German chancellor may not believe in the relevance of the rules-based international order, the concept — and its potential collapse — has been at the forefront of global geopolitics of late. The phrase caught the global attention in January after a rare speech, from Canadian Prime Minister Mark Carney, in which a world leader tackled the often unspoken