21.   Private security consultants disagree on the merits of that claim, illustrating the difficulties inherent in insuring the safety of a hotel.

22.   Reis drew an automotive analogy to illustrate the difficulty of the new job.

23.   Submissions to the contest illustrate the difficulty of challenging a patent.

24.   Still, the remarks illustrated the difficulty Secretary of State Madeleine Albright has had in putting together a consensus among U.S.

25.   The bill illustrated the difficulty the president will have this year in holding down spending on popular programs.

26.   The conflict also illustrates the difficulties BA will face in meeting its cost-cutting goals.

27.   The conflict also illustrates the difficulties BA could face in meeting its cost-cutting goals.

28.   The departures illustrate the difficulty that entrepreneurial companies like Chiron have as they grow and mature into mainstream corporations.

29.   The different perspectives in La Center and Vancouver illustrate the difficulty in gauging social costs.

30.   The escaped uranium in the pipe illustrates the difficulty of keeping track of weapons-grade material.