"Above all, they want to get rid of Davis, and they see him as the strongest challenger."

It won't get many this year because most incumbents have no strong challengers.

Last time around, one assemblyman's district map excluded the house of his strongest challenger.

The Democrats had a strong centrist challenger that has the potential to appeal to moderates on both sides.

In 2008-09, Marine started brilliantly, looking at first to be strong challengers for promotion.

Finnegan was described as one of the strongest potential challengers to Hall.

Insurance in all its forms has to be a strong challenger.

On the way to stardom, they have to defeat the strongest challengers all over the world.

He was expected to have trouble being re-elected, but no strong challenger has come forward.

We haven't had much of a history of strong political challengers for a long time in this area.