AP - Pressured by desperate parents, government researchers are pushing to test an unproven treatment on autistic children, a move some scientists see as an unethical experiment in voodoo medicine.

Reuters - Hurricane Gustav gathered strength over the warm waters of the Caribbean on Friday roaring toward the Cayman Islands and the Gulf of Mexico on the third anniversary of Hurricane Katrina's deadly strike on New Orleans.

AP - Republican John McCain introduced first-term Alaska Gov. Sarah Palin as his vice presidential running mate Friday, a stunning selection of a little-known conservative newcomer who relishes fighting the establishment.

Reuters - Venezuelan President Hugo Chavez backed Russia's recognition of two breakaway regions of Georgia on Friday, making Venezuela only the second nation to support Moscow's stance.

AP - Former champion Svetlana Kuznetsova became the last upset victim at the U.S. Open, beaten by 28th-ranked Katarina Srebotnik 6-3, 6-7 (1), 6-3 in the third round Friday.