twitter charges against sabs he describes the crimes tribunal i bought into their original trial and ramos rajan i to get as a guide you to lie about that and that has now been seven witnesses were intimidated. on the cost of sunscreens human rights activists and they had school friends who get accused homeless musicals companies of keeping the promise of drugs to counter the disease the sky high scientists say about getting closer to a break for a cure in the boston game a condition which has killed over twenty five million so-called. cross-talk is coming up in just a moment and today the battle against aids is under debate. if . you. are. take. the low end welcome to cross talk i'm peter lavelle the aids biz fighting a deadly virus with the endless funding of big pharma how much consensus is there within the scientific community how much dissent does confronting the aids epidemic need a complete rethink. taken. to discuss the world's largest medical problem i'm joined by denis broome in vienna he's the united nations aids regional director for europe and central asia in mind him we have peter