Not all of the lobbying has been for NATO expansion.

But NATO expansion has been a central concern because it offers so many opportunities.

There are many reasons to wonder about the wisdom of NATO expansion.

Bosnia is also an indirect testing ground for the financial cost of NATO expansion.

The issues swirling around NATO expansion are complex and important.

The two men argued over NATO expansion, and will again.

There is more emphasis on security issues and NATO expansion.

The issue is whether, despite NATO expansion, we can still get him to implement those things that are really important to us.

NATO expansion would also undermine democratic reformers in countries excluded from membership.

The talks on NATO expansion did not even deal with that.