The call for arbitration highlights the tense relationship the administration has with the politically potent police union.

In return, he got the support of the politically potent hospital workers' union as he ran for re-election.

Even some Republicans view the events here as, at the least, politically potent.

And over the last year his office labored to make sure that an array of politically potent groups did care a great deal.

One more action on a politically potent issue is likely before this week's recess.

And he will need all of his connections to succeed against a politically potent opposition.

It awards a huge sum of money to a politically potent disease without careful analysis by medical experts.

It is unknown how the politically potent labor unions for teachers, hospital workers and others will weigh in.

Gasoline is often called the most visible, and politically potent, price in the economy.

Much more than the "politically potent" disease you call it, breast cancer is an epidemic that has increased by 32 percent since 1982.