And as the two men age, the centrifugal forces tugging at it strengthen.

The contradictory forces tugging at him were apparent last week in the debate over a related environmental challenge.

In addition, there are powerful forces tugging in each direction as the midterm elections approach.

On the most basic level, Mr. Atta and I represent the two forces tugging at Muslims today.

For perhaps nothing more clearly reflects the competing forces tugging at Afghanistan, and Mr. Karzai, than the legal reform process.

But there are other forces tugging at Mr. Latham.

The play is set over a three-day period during which the forces tugging at Frankie all come to a head.

And he felt a subtle force tugging at him, pulling him toward his body on the biobed.

But without these forces tugging of your psyche, stirring it into conflict, you can never love.

The selections appeared to be an effort at compromise among forces tugging at the party fabric.