SACRAMENTO (AP) - William Armsted Robinson, a top contributor to Gov. Arnold Schwarzenegger, founded Document Handling Limited, one of the nation's first courier services, and sold it for $57 million last year. Competitors United Parcel Service and Federal Express, which fought the sale, wanted Robinson to testify that he was merely a financial front for the minority owner, Germany's Deutsche Post. The U.S. Department of Transportation eventually ruled against their claim and allowed the sale. In a transcript of his sworn confidential deposition, obtained by The Associated Press, Robinson said he had no idea how he came up with his...