benna: yes, one of the man was killed here. neha: right. benna: yes.a: five years on, the memory of finding her sons' bodies is still very raw. benna: sometimes, when i am lonely, i feel very, very bitter. sometimes, when i see young men who are their friends, i feel bitter. sometimes, their pictures come. but, sometimes i feel like they went abroad, and they will come one day one time. neha: since her sons' deaths, buluma has become a social justice activist. she has a message for the politicians vying on august 9. benna: let them calm down. let them calm down. let them just be peace, because these are their people whom they are going to rule. so when they kill people, what are they going to rule? neha: on the eve of the vote, the atmosphere is tense. and it's difficult to see how either candidate or their supporters will accept defeat. for the pbs newshour, i'm neha wadekar in nairobi, kenya. judy: finally, we remember the great historian and writer david mccullough in his own words. he was best known for his pulitzer prize-winning biographies of two

benna buluma knows too well how dangerous this could be.tion, her two sons bernard and victor were shot dead by police on their way home from work in one of nairobi's poorest neighborhoods. a walk through the streets brought us close to the spot where they were killed. >> so this place here, it's where one young man was being shot. this one. this one. those are bullets. neha: and one of the men was killed right here? >> yeah, one of the man was killed here. yeah. neha: five years on, the memory of finding her sons' bodies is still very raw. >> sometimes when i am lonely, i feel very, very bitter. sometimes when i see young men who were their friends, you know, i feel bitter. sometimes, their pictures come. but, sometimes i feel like they went abroad, they will come one day, one time. neha: since her sons' deaths, beluma has become a social justice activist. she has a message for the politicians vying on august 9th. >> let them calm down. let them calm down. let them just be peace. because these are their people whom they are going to rule.