101.  But Parcells became the driving force behind a one-sided vote to make coaches wait three years before gaining eligibility.

102.  But several Pentagon officials say the driving force behind the Osprey has always been the Marines.

103.  But maybe that is a driving force to make the tracks better.

104.  But now, the profitability of routes will be the driving force for carriers, he said.

105.  But teens are not the only driving force behind new youth programs.

106.  But the driving force behind this kind of violence, several specialists agreed, is what children learn about what behavior is permissible.

107.  But the driving force seems to be a need to bolster productivity.

108.  But the driving force behind the enterprise is Ms. Murkoff.

109.  But the major driving force behind the shift, say political scientists, is suburban sprawl and the conservative attitudes it spawns.

110.  But the search for Mulder will remain a driving force on the mommy-to-be and her gruff new partner.