21.   Silverman said this week that British-American Tobacco had never challenged his assertion, which he first published last March and published again in July.

22.   Sitting in a hall with a Star of David above the podium and the hammer and cycle still etched into the walls, nobody could easily challenge the assertion.

23.   Starr would be certain to challenge an assertion of privilege in court.

24.   Some environmental groups challenged assertions in the document.

25.   The American Forest and Paper Association, an industry group in Washington, D.C., also challenges the assertion that the government has been misspending money for logging roads.

26.   The defense will challenge each assertion, according to lawyers familiar with the case and pretrial pleadings.

27.   The executives challenged assertions that the deal was an act of desperation by two faltering companies.

28.   The McCain camp challenged those assertions about his support for veterans health legislation.

29.   The restaurant owners challenge those assertions.

30.   The senator defends the letters as legitimate, and his debating partners did not challenge his assertion.