21.   The Cleveland program has had its logistical challenges.

22.   The logistical challenges involved in convening a traditional tribal council are certainly enormous, particularly since the Taliban still controls most of the country.

23.   The logistical challenges involved in convening a traditional tribal council are certainly enormous, particularly since the Taliban still control most of the country.

24.   The sheer numbers involved pose an extraordinary logistical challenge.

25.   There are panic and fear, hierarchy and infighting, strategizing and negotiation, bad food and discomfort, as well as daunting logistical challenges.

26.   There is no question that Swift faces a logistical challenge in the weeks before and after her twins are born in June.

27.   There were logistical challenges, like trying to coordinate the schedules of the artists doing restoration with the crews who were hired to clean.

28.   They present a logistical challenge for the tenants and Turner employees.

29.   Transporting and maintaining the American troops in the harsh Bosnian winter will be a logistical challenge.

30.   Wiring Congress to surf the Net has posed enormous logistical challenges.