SAN DIEGO — There are accusations of conspiracies, illegal secret meetings and double-dealing. Embarrassing documents and e-mails have been posted on an official Web site emblazoned with the words “Fact vs. Fiction.” Animosities have grown so deep that the players have resorted to exchanging lengthy, caustic letters, packed with charges of lying and distortion. And it is all about water.

   Water is a perennial source of conflict and anxiety throughout the arid West, but it has a particular resonance here in the deserts of Southern California. . . . . . . . . .

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   The battle is being fought in the courts — a judge in San Francisco is struggling to untangle a welter of conflicting claims from the two sides — but also on the Internet. San Diego officials have created a sleek Web site to carry their argument to the public, posting 500 pages of documents they obtained through public records requests to discredit the other side. And they might have struck oil, as it were, unearthing documents and e-mails replete with references to the “anti-San Diego coalition” and “a Secret Society,” and no matter that the purported conspirators contend that they were just being jocular.......................