1.   While never forgetting that ultimate goal, he constantly shifted tactics to suit changing circumstances.

2.   Attuned to the sorts of public opinion phenomena the poll found, advocates on both sides have been shifting their tactics.

3.   But Bradley may have recently shifted eating tactics.

4.   But given the alarming wave of addicts that is swamping the prisons, clogging the justice system and taxing hospitals, the Islamic Republic is shifting tactics.

5.   But given the alarming wave of addicts swamping the prisons, clogging the justice system and taxing hospitals, the Islamic Republic is shifting tactics.

6.   Exactly why security forces did not pay more attention to warnings that terrorists were shifting their tactics is not clear.

7.   Frustrated with the pace of reforms in Congress, the Wisconsin small business community shifts tactics.

8.   In the last three weeks, the guerrillas have shifted tactics, hitting aid workers and trying to terrorize travelers on the main roads.

9.   Racing from the Iowa caucuses, where social conservatism plays well, to libertarian, tax-averse New Hampshire, the candidates shifted tactics sharply.

10.   So People for the Ethical Treatment of Animals is about to shift tactics, attacking the wearing of leather instead.