11.   Such a move could represent a shift in strategy and place the peacekeeping operation on a more warlike footing.

12.   The Boldon-Bailey-Christie-Surin quartet represents a shift in sprinting dominance away from the Americans.

13.   The decision represents a shift in policy.

14.   The emphasis on direct air support for the coalition of ethnic groups loosely aligned into the Northern Alliance represented a shift in U.S. policy.

15.   The Fed chairman said during a question-and-answer period with the senators that his comments did not represent a shift in his philosophy on debt reduction.

16.   The emergence of the more lethal heroin represents a shift in a heroin market once dominated by Asian suppliers, officials said.

17.   The decision represents a shift from the policy of the Clinton administration, which had vigorously supported the suit.

18.   The film may represent a shift in the way black culture is being presented.

19.   The new recommendations, called Dietary Reference Intakes, represent a shift in beliefs about the importance of a healthy diet in preventing illness.

20.   The offer, part of a program dubbed Operation Jobs, represents a shift at the INS in its effort to crack down on illegal immigrants in the workplace.