Additional reporting by Jill Serjeant and Bob TourtellotteEditing by Doina Chiacu

(Additional reporting by Jill Serjeant and Bob Tourtellotte;Editing by Doina Chiacu) Media. LOS ANGELES (Reuters) - U.S. Representative Henry Waxman, hospitalized in Los Angeles for a fainting spell days after spearheading House passage of a landmark climate change bill, will be back at work on Capitol Hill next week, a spokeswoman said on Thursday. He was chief sponsor of the newly passed climate change bill that bears his name.(Reporting by Laura Isensee, editing by Steve Gorman and Mohammad Zargham) Barack Obama.

His brother Jermaine Jackson said on Thursday that reportsof Michael Jackson's possible drug use had hurt his family. "Michael has always been a person who was against anythinglike that ... Speculation has swirled in the media that the 50-year-oldpop star was abusing prescription drugs and perhaps intravenousdrugs before comeback concerts this month in London. Drug EnforcementAdministration had been asked to help Los Angeles police intheir investigation. Several bags of medicines have alreadybeen removed from Jackson's house by coroner's officials. Video clips of a rehearsal two nights before he died, thatshowed Jackson looking thin but performing more like his oldsuperstar self, were released to CNN on Thursday.

An official autopsy has been performed but toxicology testswon't be ready for weeks. Results of a private autopsy by aJackson family doctor have not been released Law enforcement sources said the U.S. Jackson did not mention his funeral wishes in that will.The Staples Center is the site of the singer's last rehearsalsfor a planned 50-concert comeback tour in London that was dueto start on July 13 and was backed by AEG Live. Temporary guardianship was granted this week to Jackson's79-year-old mother, Katherine Jackson. A 2002 will signed byJackson specifically cut Rowe out of his estate and asked thathis mother take care of the children. "I want my children," Rowe was quoted as telling NBC4television in Los Angeles. But her lawyer, Eric George, told reporters on Thursdaythat Rowe was still considering her position.