Europe is reassessing its place in a rapidly destabilizing world. A stark warning from Canada’s Prime Minister Mark Carney — that reliance on the United States has become a “weakness” — is now echoing across Europe, where leaders are confronting growing uncertainty about Washington’s long-term commitments. At a key meeting in Poland, Emmanuel Macron and Donald Tusk discussed deeper defense cooperation, including nuclear deterrence coordination and joint military projects. The push reflects a