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.
Sen. John McCain, R-Ariz., took to the Senate floor Wednesday in an apparent attempt to shame Rep. Michele Bachmann, R-Minn., and other House GOP lawmakers who recently questioned whether a top aide to Secretary of State Hillary Clinton was a fifth columnist for the Muslim Brotherhood.
And now we turn to the Mississippi River. The drought has brought parts of the Mississippi to near record low water levels. Those shallow conditions pose difficulties for barge traffic on the river and we turn now to Mark Mestemacher who is co-owner of Ceres Barge Line. It's based in East St. Louis. Welcome to the program.
MARK MESTEMACHER: Thank you.
SIEGEL: And how low is the river in East St. Louis?