London CNN  —  The North Atlantic Treaty Organization, the defense alliance of 32 countries, is on a spending spree, with plans to funnel billions into their militaries and security systems over the coming decade. But it’s a splurge that some European members of NATO, grappling with huge and ballooning debt burdens, can ill-afford. “It’s something unprecedented in peacetime to have such a massive increase in spending on any item – in particular, on defense,” Marcel Fratzscher, president of the