41.  And a senior FBI official involved in the tobacco inquiry said he and other agents had urged such an approach.

42.  And such an approach would have given the title a longer shelf life than the typical book that tries to profile the fast-moving Internet industry.

43.  Bliley acknowledged that the document request was designed to build credibility with Democrats and anti-tobacco advocates, adding that such an approach has worked for him before.

44.  Both officials emphasized that the Treasury does not have a specific plan and is far from deciding whether such an approach is feasible.

45.  Alan Greenspan, the chairman of the Federal Reserve Board, has indicated that he might favor such an approach.

46.  Alexander Zubkov, a former forestry official in Karelia in northwest Russia and now a timber businessman, suggested that such an approach was prudent.

47.  But in addition to being prohibitively time-consuming and expensive, such an approach also produces unreliable estimates.

48.  But officials of the refugee agency and human rights activists cited the procedures Sunday night as an example of how such an approach was ripe for abuse.

49.  But journalists and their lawyers raised questions about such an approach.

50.  But such an approach does not work in American classrooms.