Story highlights John McTernan: Brexit proves international organizations are vulnerableA weakened NATO threatens everyone, McTernan says(CNN) NATO has a big problem. No, the real challenge for NATO can be summed up in one word: Brexit. The problem is what the Brexit vote proved to the rest of the world: Longstanding international organizations that do not renew their popular mandate are vulnerable. While Brexit is in reality little more than a self-inflicted wound that only makes Britain poorer, a weakened NATO threatens everyone. Russian President Vladimir Putin understands this.

Source: CNN November 23, 2016 12:33 UTC