
Canadian Foreign Minister Maxime Bernier talks with Canadian soldiers with the NATO-led International Security Assistance Force in Kandahar, Afghanistan.
The U.S. does not often look north to gauge its own security prospects. But over the past few months, Canada has been quietly embroiled in one of the most revealing political and international-security debates since the end of the cold war. It's a debate critical to the future of NATO. And its outcome may tell us a lot about the fate of the U.S.'s struggle against terrorism.
At issue is Canada's military role in Afghanistan. Canada is one of 26 NATO countries in the International Security Assistance Force, which is attempting to stabilize Afghanistan and neutralize the Taliban and al-Qaeda. But...