11.   Social workers often have a dual role in child protection cases.

12.   Along those lines, Murphy has a dual role.

13.   Analysts expect its dual role to help it survive in the future.

14.   And FAA inspectors say that when the dual roles of safety enforcer and air travel booster clash, their bosses tend to put cordiality ahead of safety.

15.   And his dual role underscores the way the joint-venture deals entwine hospital and foundation.

16.   And the principal cast gets a chance to stretch its acting chops, each playing dual roles in the parallel universes.

17.   Another gambit consisted of dual roles and mistaken identities.

18.   Arquette plays a dual role.

19.   At first, Reeves enjoyed his dual role with the Cowboys.

20.   Belichick held the dual roles of defensive coordinator and defensive backs coach, but Eric Mangini helped out with the secondary.