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BRUSSELS, BELGIUM - OCTOBER 12:  Dark clouds hang over NATO members' flags outside the alliance's headquarters in Brussels, 12 October. The NATO allies were poised today to vote a critical "activation order" to attack Yugoslavia, as US envoy Richard Holbrooke pressed 11th-hour talks in Belgrade with a recalcitrant President Slobodan Milosevic to avert war in the Balkans.  (Photo credit should read ROBERT VANDEN BRUGGE/AFP/Getty Images)
BRUSSELS, BELGIUM - OCTOBER 12:  Dark clouds hang over NATO members' flags outside the alliance's headquarters in Brussels, 12 October. The NATO allies were poised today to vote a critical "activation order" to attack Yugoslavia, as US envoy Richard Holbrooke pressed 11th-hour talks in Belgrade with a recalcitrant President Slobodan Milosevic to avert war in the Balkans.  (Photo credit should read ROBERT VANDEN BRUGGE/AFP/Getty Images)

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Explaining NATO funding challenges

Two CNN correspondents and a CNN analyst break down how NATO is supported (or not) by its member states.

Explaining NATO funding challenges

Two CNN correspondents and a CNN analyst break down how NATO is supported (or not) by its member states.