41.   Earlier this month Espy announced his resignation effective at the end of the year.

42.   Effective at softening up troops and destroying military equipment and infrastructure, it cannot topple existing governments.

43.   Employers are finding that as refinements are made, the hybrid plans become more effective at holding down medical costs.

44.   FDA medical reviewers said Reteplase is more effective at breaking up blood clots than Activase -- a point conceded by Genentech.

45.   Few people on either side of the debate argue, however, with the assertion that sprinklers are effective at stopping the spread of fires.

46.   For the few who have yet to win a Daytime Emmy, know that your bowling trophy is just as effective at keeping pigeons away.

47.   Geosafari is effective at bringing a rather dry quiz game to life.

48.   Gore has locked up the big institutions that have proved most effective at getting those voters to the caucuses.

49.   Grann resigned, effective at the end of the year, over differences with its parent company, Pearson PLC.

50.   He has also been effective at presenting a positive image of HBO, both in the television industry and on Wall Street.