21.   If Unocal and Delta can win peace among the warring Afghan factions, this pipeline would be immensely profitable.

22.   In a normal country there would be pipelines between them.

23.   In fact, federal regulators require new or replaced pipelines to be big enough to accommodate smart pigs.

24.   In urban areas, most pipelines are well-marked, especially at intersections and along rail lines.

25.   Industry officials and American diplomats said the Turkmenistan pipeline was essentially dead from multiple wounds.

26.   It also reveals lax enforcement by the federal Office of Pipeline Safety, the agency responsible for making sure pipelines are safe and environmentally sound.

27.   Lakehead, based in Duluth, Minn., believes it has shown that its pipeline can be safe.

28.   Lessig believes that the Internet pipeline should be, like telephone lines, available to all.

29.   Local environmental groups say the pipeline is an example of ivory tower administrators putting corporate concerns above the delicate ecosystem in the region.

30.   Longhorn officials contend that the pipeline is safer than ever.