for this party and erdogan. >> brown: all right, we'll leave it there and watch going forward, kadir ustunteven cook. thank you very much. >> thank you. >> woodruff: stay with us, coming up on the newshour: a murder posted online, a killer still at large. and "a world in disarray"-- a selection from the newshour bookshelf. but first, an unlikely innovation from an unusual innovator. special correspondent fred de sam lazaro has the story of one man who has made it his mission to bring affordable hygiene products to women in india. its part of our series agents for change. >> reporter: arunachalam muruganantham was a born tinkerer, obsessed with figuring out how things worked-- from toys to bicycles. he grew up in poverty after his father died young. muruganantham dropped out of school and became a welder, a lower middle class occupation in india. >> to support my mother i quit my schooling. >> reporter: but his natural curiosity apparently knew no bounds. years later it took him into a strictly taboo area in india's tradition-bound society: menstrual hygiene. >> that is why we are able to b