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.
Today's violence in Syria has prompted the U.N. Security Council to delay a vote on a new resolution on the crisis. Kofi Annan, the international envoy to Syria, requested the delay so that the deeply divided Security Council would have more time to reach a consensus. NPR's Jackie Northam has that story.
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?