11.   Representatives of President Clinton and Russian President Boris Yeltsin are attempting to end the impasse, NASA administrator Dan Goldin said this week.

12.   Strong pressure had been building in political quarters to end the impasse.

13.   That work may now soon come to a stop unless Senate Democrats and Republicans end their impasse.

14.   The talks were brokered by representatives from Chile, Argentina, Brazil and the U.S., the countries trying to end the impasse.

15.   Warner emerged from the briefing and called a press conference to outline the agreement expected to end the impasse, entering its seventh day.

16.   Yet, overall, they sketched potentially important concessions to end the impasse that has threatened to derail any congressional action on health care this year.

17.   Periodic diplomatic initiatives to end the impasse have failed.

18.   Only that, China maintains, will end the impasse.

19.   Plans brokered by CIA chief George Tenet and U.S. Sen. George Mitchell to end the impasse between Israel and the Palestinian Authority have been repeatedly shelved amid renewed fighting.

20.   A vote on the proliferation amendment was set Wednesday afternoon, ending an impasse that had postponed that vote and delayed completion of the trade bill.