21.   But most governments apparently do not want any encroachment on national sovereignty.

22.   But North Korea has remained defiant in the face of the warnings, vowing to continue its missile program, which it said is a matter of national sovereignty.

23.   But Republicans are already working to reframe the issue as one of economic security and national sovereignty.

24.   But overriding even ecological concerns are worries about national sovereignty and whether Canada can enforce territorial claims to its empire of ice-capped islands.

25.   But supporters say the surrender of national sovereignty is the only way to challenge the economic power of the United States.

26.   But to many Mexicans, Pemex symbolizes national sovereignty.

27.   But there is also a feeling among some people that we are not enforcing our national sovereignty.

28.   Can this be the same America whose Congress affects a concern that free-trading rules ought not to encroach on national sovereignty?

29.   Denmark is also part of the European Union, and is as skeptical as France about surrendering national sovereignty.

30.   Dole was at his worst when he rambled on, dryly and without focus, about trade laws and national sovereignty.