11.  Losing the potent force of Murdo MacLeod can not be used as an excuse, either.

12.  American Jews have long been a potent political force.

13.  And its lead partner, Walter Umphrey, was a potent force in state Democratic politics.

14.  And despite a decade of suppression, Suu Kyi and her followers remain a potent political force.

15.  And that box office was driven largely by female moviegoers, who are an increasingly potent force, producers and studio executives say.

16.  And that may be the most potent motivating force of all.

17.  And suburban voters, particularly women, could become a potent force for the candidate who taps into their concerns.

18.  Anti-Americanism is a potent force that cannot be readily dissolved.

19.  At Emory University, for example, scientists are discovering that love is a potent force for healing body and soul.

20.  But blame can actually be a potent positive force in the workplace.