1.   Another strong challenger is Charity Ngilu, a businesswoman and member of Parliament from the relatively small Akamba group.

2.   Both parties have thus found it difficult to field strong challengers to run against incumbents in the upcoming election cycle.

3.   A Democratic U.S. senator is locked in a virtual dead heat with a strong Republican challenger.

4.   A poll last month for The St. Paul Pioneer Press suggested that Coleman would be a strong challenger.

5.   A strong Democratic challenger could make this a close fight.

6.   Education officials added, however, that a strong challenger to Levy could still emerge.

7.   Facing a strong Democratic challenger this year, he chose to leap statewide to the Senate race.

8.   Gore was seen as an uncomfortable candidate, being forced leftward by a strong challenger.

9.   He will be on the same stage with former Sen. Bill Bradley of New Jersey, his surprisingly strong challenger for the Democratic presidential nomination.

10.   If not for the good economic times, a strong Democratic challenger might have had a chance against Foster.