The newest judge to preside over the fortunes of the world's largest software company may be best known for her decision to spare thousands of Canada geese from government-orchestrated slaughter.

U.S. District Judge Colleen Kollar-Kotelly will oversee all aspects of the federal government's sweeping antitrust case against Microsoft, but the longtime Washington, D.C., resident has little experience with antitrust cases--or business cases in general.

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