81.   Airborne Express plans to enter the booming electronic commerce market in July by joining forces with the U.S. Postal Service.

82.   But Bruni and other leaders opposing the projects have joined forces with environmentalists who say the projects threaten the habitat of the Rio Grande.

83.   But both have said they have no plans to run for president and both are seen as highly unlikely to join forces with Perot even if they did.

84.   But Gingrich joining forces with Fox was not purely a political marriage.

85.   But Grippe said the al-Qaida troops had successfully immobilized the allied Afghan forces with mortars and automatic weapon fire.

86.   But he offered no concrete plan to disarm the armed forces, some of them paramilitary forces with links to the senior command.

87.   But if threats prove ineffective, then only the use of force with the risk of prolonged involvement in a civil war will work.

88.   But in December, when Sprint jumped ship to join forces with Telmex, Iusacell was left high and dry.

89.   But in the end, the SWC decided not to join forces with ESPN.

90.   But it marks the first time the movie trade group has joined forces with the music business.