China and Russia this morning vetoed a U.N. Security Council resolution that could permit sanctions against Syria unless the government of President Bashar Assad stops using weapons against civilians. This is the third time China and Russia have rebuffed measures pushed by the United States and its allies to try to bring a halt to Syria's violent civil conflict.
As the guessing game continues about Mitt Romney's choice of a running mate, Ohio Sen. Rob Portman invariably comes up as a top contender. And with a wealth of experience in Washington and beyond, Portman would be considered a safe pick to run for vice president on the Republican ticket.
Nurse Priscila-Grace Gonzaga with Gregg Cassin, a San Francisco gay man who has been infected with HIV since the early 1980s. He's a volunteer in a cutting-edge gene therapy experiment to see whether HIV-infected people can be given an immune system that is invulnerable to HIV infection.
Credit Richard Knox / NPR
Timothy Ray Brown, widely known in research circles as the Berlin patient, was cured of his HIV infection by a bone marrow transplant, doctors say. His story inspired scientists to look for new ways to vanquish the disease in other patients.