1.   It is likely to challenge your dominance regularly at first.

2.   Its methods and values have rarely been able to challenge the dominance of conservative normativism.

3.   American men have seen their traditional dominance challenged at home and at work.

4.   As the season unfolded last year, it was clear that Hingis and Davenport were aligned to challenge the dominance of the Williams sisters.

5.   A takeover of Lotus would give IBM a stable of popular personal computer programs and a potent weapon to challenge the dominance of Microsoft Corp.

6.   But such is the fate of all budding new political parties that try to challenge the dominance of the Democratic and Republican parties.

7.   Nor are the German, French and Italian producers likely to challenge the dominance of American studios on the world television market.

8.   But in recent years, young drug traffickers have challenged their dominance.

9.   But now an approach called primary angioplasty is challenging the dominance of these drugs.

10.   With access to the right codes, competitors could write programs that challenge the dominance of Microsoft in personal software.