My cousin Stephen and his wife, Kim Lee, are scientists, and they’ve developed a malaria vaccine that may one day save millions of lives. It’s taken them years of intense effort and many disappointments along the way, but the results could one day change the world. And what do I do? I play music… Wars rage and diseases spread, all over the world, and I play music. Sometimes I feel like Nero – fiddling while Rome burns. Then again… I like to believe that for most people, and except for those in