21.   Vicente Fox achieved what some considered the impossible by knocking the long-ruling Institutional Revolutionary Party from the presidency.

22.   But the disarmament process has been rendered impossible by continuing conflict.

23.   The Russian league leaders from Northern Ossetia have already achieved the impossible by proving that sport can rise above politics.

24.   Israeli Foreign Minister Shimon Peres said Assad was asking for the impossible by demanding an Israeli pledge for a total withdrawal from the Golan first.

25.   Previous visits were made impossible by the Serb seige of the city.

26.   Russian President Boris Yeltsin on Saturday gave his security supremo Alexander Lebed an apparent mission impossible by entrusting him with finding a solution to the Chechen conflict.