one of the french would've called the tail which we have to have around us and i think senator kerry corden a safety a safety buffer around us so it's in our own interest to extend a solitary solidarity to these countries let me ask you very briefly the aids model in which patent protection was lifted or to some degree modified in order to ensure that crucial medications could be produced and sold at reasonable cost in the global south do we need something like that here and if so who drives that. i mean the it's a very difficult question because at present time when we are still in the phase of scientific innovation you would immediately take out the incentive for homicide think of country companies to invent a new strategies. in aids we could lift up the patents and other things once the innovative of the scientific investment investigation was over so i i'm sure one day we will be able to do similar things but it's too early for that otherwise we'd lose the incentive of pharmaceutical industry and it would be worth another another. full discussion like this just to talk on the incentives