11.   Washington is again tightening its embargo against Cuba, this time targeting foreign executives.

12.   In a statement, the foundation instead called on Clinton to endorse proposed legislation to tighten the embargo against Cuba.

13.   That embargo was tightened Wednesday when U.S. President Bill Clinton extended the ban on certain defense and technological exports.

14.   The Associated Press reported Friday from Miami that U.S. lawmakers are drafting a plan to tighten the embargo by taxing companies that buy Cuban property seized from Americans.

15.   He said that the administration would work with Congress on legislation designed to tighten the embargo against Iran.

16.   In March the embargo was tightened with the Helms-Burton Act which seeks to punish US allies for certain dealing with the Castro regime.

17.   But Republican legislators have meanwhile moved to tighten the embargo by sanctioning foreign firms that do business with Cuba.

18.   The White House and Congress agreed Wednesday on a bill to tighten the embargo against Cuba following the shootdown of two US civilian planes.

19.   The White House and Congress have agreed on a bill to tighten the embargo against Cuba following the downing of two US civilian planes.

20.   The US tightened its embargo last year.