a guided tour through kigali -- tourists want to learn about its history.hey hear how hundreds of people hid in the hotel des mille collines during the genocide. what happened in this period of rwandan history is inconceivable to many people today. within a hundred days more than a million people were slaughtered. >> the genenocide is something that affected us quite deeply. some of the buildings are still there where some of these horrible things happened, so we always are connected to that and it can only basically help us see the future. >> they believe in the future and in cooperating with one another. it's called umuganda in rwanda where people come together once a month to work toward a common goal. in kigali, dozens of young people are also part of the glglobal shapers community, whi is advised by the woworld economic forum in geneva. they contribute to society as entrepreneurs, students, bankers, and doctors. ephraim rwamwenge is one of them. he grew up in exile because his family had to flee. >> i'm young. i'm rwandan. i was onone-year-old when the

. ♪ narrator: this is grace, a business woman in kigali, rwanda. ago, she was starving and unable to feed her children. many of her family had been massacred in one of the worst genocides of the late 20th century. but today, thanks to an innovative program, life is good. she earns up to $200 a month from her furniture business and employs 11 people.

for the pbs newshour, i'm william brangham in kigali, rwanda. >> woodruff: tomorrow, our team reports on an innovative treatment program that's happening on a small, remote island in eastern kenya, and how they've figured out how to reach fishermen there. >> woodruff: and now to our newshour shares, something that caught our eye that might be of interest to you, too. south carolina's tim scott is the only black republican in the u.s. senate. yesterday, he took to the senate floor to speak on his experiences of being scrutinized by law enforcement because of the color of his skin. here is an excerpt: >> for those who don't know, there are a few ways to identify a member of congress or senate. well, typically when you've been here for a couple of years, the law enforcement officers get to know your face and they just identify you by face. but if that doesn't happen, you have a badge or your license that you can show them, that shows you're a senator. or, this really cool pin. i often times say that the house pins are larger because our egos are bigger, so we need a smaller pin. so it's

i was in kigali in rwanda last week, and i was also telling people there about awesome, and the ideathat anybody could jujust get a group of friends together and start a chapter, you know, so we're just spreading the word. mike: i don't know. i don't--i don't want to tell you guys what to do, but i think international god-like ambassador would b be a good title for him, right? christina: that's basically-- mike: you got these great titles... lee-sean: the ambassador of awesome. mike: ambassador of awesome. what are somome of t the ideas t have come up that you have a particular fondness of? and--and i--i get the sense--you've already described one, so i'll--i'll start with you. is there one that really kind of like, "wow. this is really pretty incredible." lee-sean: you know, we get asked this a a lot, and it's sot ofof like choosing betweenen yor children which one's your favorite, but i think... mike: i'm going to make you do that. lee-sean: i'm going to choose--i'm going to choose the firstborn, which was the very first grant that we gave in new york, which was 2010, 2011, and it