A Kaiser Permanente anesthesiologist has admitted to ordering controlled substances over the Internet that when mixed together produces gamma hydroxibutyric acid, or GHB, better known as the "date rape drug." In a complaint filed in U.S. District Court yesterday, Dr. Peter Edward Fong told federal authorities he used the drugs to help him sleep. He claimed he thought it was legal to order the drugs. Fong, who works at the Moanalua Medical Center, was arrested yesterday for importing quantities of gamma hydroxibutyric acid lactone, or GBL, and butanediol, or BD -- both industrial solvents closely related to GHB. He was...