11.   Williamson said he disagreed with the notion that the current treaty offered sufficient protection to Americans overseas.

12.   Either Mexico or the United States could prosecute the men and then extradite them to the other country to face additional charges under current treaty agreements, officials said.

13.   The current treaty, negotiated when Europe was divided into east and west blocs, imposes limits on groups of countries.

14.   The current treaty, negotiated when Europe was divided into east and west blocs, put its limitations on groups and zones.

15.   Under the current EU treaty of Maastricht, Britain can opt out of social legislation and hoped it would have covered such issues as working-hour regulations.

16.   Under the current EU treaty, Britain can opt out from European social legislation.

17.   As with the current treaty, the revised CFE treaty would set up different geographical zones to prevent the massing of forces along potential confrontation lines.

18.   The organisation said the current treaty had done little to prevent countries such as Iraq and North Korea developing suspected nuclear weapons.

19.   John Holum, director of the US agency for controlling arms and disarmament, rejected the proposal however, saying the current treaty was the best that was available.

20.   Russia has argued that NATO enlargement would render the current CFE treaty obsolete since countries of the former Soviet bloc would be switching sides.