Gates to NATO: America is getting sick of fighting for you people who won't defend yourselves.

I'm paraphrasing. Actual quote:

The blunt reality is that there will be dwindling appetite and patience in the U.S. Congress — and in the American body politic writ large — to expend increasingly precious funds on behalf of nations that are apparently unwilling to devote the necessary resources or make the necessary changes to be serious and capable partners in their own defense