21.   Skeptics call it a difficult mandate in a country with a checkered history of freedom of speech and banning books.

22.   Television, of course, has something of a checkered history in the kingdom.

23.   The caucuses have a checkered history.

24.   The checkered history of the Paris park, originally called Euro Disney, was clearly on the minds of negotiators during the talks.

25.   The decision to give Columbia a five-year management contract is the latest step to regain credibility by a venture with a checkered history.

26.   The Falcons have a checkered history.

27.   The success comes after a checkered history.

28.   This is just the latest in a long line of irregularities uncovered in the checkered history of the CAP.

29.   This would become yet another benchmark adventure in the checkered history of Mad Dog Inc.

30.   Videoconferencing products have a checkered history, often boasting a reliability and an image quality that they do not deliver.