11.   But Monday some witnesses urged the FCC to intervene to prevent the unintended consequence of promoting big mergers without offering consumers any meaningful benefits.

12.   Courageous courts sometimes intervene to prevent such obvious injustice.

13.   In fact, RBI intervened to prevent the Indian currency from appreciating against the dollar, Ahluwalia said.

14.   In one of the best scenes, Burr intervenes to prevent a duel between Monroe and Hamilton.

15.   In Washington Tuesday, TuesdayCardinal Bernard F. Law of Boston urged Clinton to intervene to prevent tearing apart families that have been living here for years.

16.   President Bill Clinton last month intervened to prevent a strike from shutting down the carrier.

17.   President Bush blocked a strike Thursday at United Airlines, the second time this year that the White House has intervened to prevent a walkout at a large carrier.

18.   Q. Will Clinton intervene to prevent a strike?

19.   Should humans intervene to prevent the annual immolations?

20.   The trial has so far produced little information to explain why superiors at the base did not intervene to prevent the apparently frequent and illegal sexual relations.