text: Previously, Barbara had been working with AIDS patients in Africa, in Tanzania, South Africa, and Botswana, among other places, through a program sponsored by the Houston-based Baylor College of Medicine's International Pediatrics AIDS Initiative Even though Barbara has spoken of her support for the Iraq War, neither she nor her twin sister, Jenna, has enlisted in the military, following in the footsteps of their father and uncles in avoiding combat during wars.