21.   But environmentalists likened the submarine to a radioactive time bomb, warning that sooner or later, a catastrophic leak was inevitable.

22.   But even in a safe haven like a Big Sensations dance there can be security leaks.

23.   But such leaks are rare, and the government already has ample powers to investigate officials suspected of revealing especially sensitive information.

24.   But the leaks were too much to contain in the latter half.

25.   But there were leaks, some reporters said, from people who seemed to be in the know.

26.   Clinton aides vehemently deny such tactics, though strategic leaks have clearly been part of the White House repertoire.

27.   Early on, almost all the leaks were unflattering to Clinton.

28.   Draskovic aides suggested the leak was from Djindjic.

29.   Estes said the most critical part of the procedure is ensuring there are no leaks at the upper part of the graft.

30.   Federal regulators and the utility said such leaks were common and well within prescribed norms, and posed no safety or environmental problems.