21.   The three were reunited aboard the Swedish liner Gripsholm when they were returned to the United States in a prisoner exchange.

22.   The whole mess ended with Bean being returned to the United States during a routine prisoner exchange with Mexico.

23.   These days, prisoner exchanges are a more valuable currency than money in Chechnya, particularly for Russian soldiers.

24.   When the guerrillas arranged prisoner exchanges with Soviet commanders, or accepted Soviet bounties for releasing their prisoners, Olenin chose not to go back.

25.   Who is gaining from this prisoner exchange?

26.   Prisoner exchange is among many issues that have kept the region in a stalemate, Cardenas said.

27.   Prisoner exchanges stumbled badly last week, despite a commitment from all sides to free war prisoners as part of the Bosnian peace accord.

28.   Prisoners exchanges were planned throughout Bosnia, the International Red Cross said.

29.   Pentagon officials had previously all but ruled out a prisoner exchange.

30.   Rebel group offers prisoner exchange.