21.   Some intelligence officials say the last secrets of the trade center case may lie in Peshawar, in the murky world of Muslim extremists and Afghan resistance fighters.

22.   The answer gave a glimpse into the murky world of Afghan alliances and the rugged warrior culture spawned by two decades of non-stop fighting.

23.   The other is that unanswered questions are symbolic of the murky real world in which everybody can be sure that he will never be sure.

24.   The riddle unraveled may sound like just semantics, but definitions in the murky world of Washington turn into real dollars.

25.   They find themselves in a murky world of filmmakers for hire, willing to shoot anything for a price.

26.   To understand why Jerry Jones has operated the Dallas Cowboys in his unique manner, consider his last career change, into the murky world of the oil business.

27.   What seems clearest in the decidedly murky world of day care is that progress will be piecemeal.

28.   In the murky world of taxation, there are so-called flat taxes, and then there are flatter taxes.

29.   The case highlighted concerns over the vulnerability of foreign women working in the murky world of the Japanese bar trade.

30.   The findings, announced Wednesday, could eventually help researchers understand how the human mind works in the murky world of the subconscious.