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WASHINGTON (Reuters) - The Senate's top environmental lawmaker offered a preview on Wednesday of major component of climate change legislation she said could be introduced "in weeks, not months."

"We are not sitting back and waiting for some magic moment," Barbara Boxer, a California Democrat who chairs the Senate Environment and Public Works Committee, told reporters. "We're ready to go."

“Stop AIDS. Keep the Promise” is the campaign message of the 20th annual World AIDS Day. The theme this year is leadership, same as it was in 2007. But while last year people were encouraged to take the lead, this time the emphasis is on delivering on those promises.