21.   Detroit owner William Clay Ford issued that challenge to Coach Wayne Fontes, and the Lions had responded by winning their last seven games.

22.   Divide guests into two tribes and issue a challenge.

23.   Denzel Washington issues a challenge.

24.   From the very first tee, the course issues a challenge.

25.   Fox issued a challenge for changes in immigration policy by the end of the year.

26.   Group officials issued a challenge to states last fall, asking them to submit specific five-year action plans for dealing with the gap.

27.   Hahn also issued a challenge to Villaraigosa to hold at least one debate a week leading up to the election.

28.   He has issued a challenge to coach Paul Westphal.

29.   He issues challenges.

30.   He issued a challenge for weekly debates.