WASHINGTON – An AIDS-free generation: It seems an audacious goal, considering how the HIV epidemic still is raging around the world.

Yet more than 20,000 international HIV researchers and activists will gather in the nation's capital later this month with a sense of optimism not seen in many years – hope that it finally may be possible to dramatically stem the spread of the AIDS virus.

"We want to make sure we don't overpromise," Dr. Anthony Fauci, the National Institutes of Health's infectious disease chief, told The Associated Press. But, he said, "I think we are at a turning point."