this is belgrade. capital city of serbia. less than two miles from the city center, serbia's largest and most infamous prison. centraini zatvor. known locally as cz. >> my parents are from belgrade so there was a bit more emotion going to a prison in serbia than say other prisons around the world. cz has an ominous reputation for serbs. it's where inmates went in, and then you'd never see them again. >> cz opened its doors in 1950 and has housed countless political prisoners, including opponents of the late serbian president slobodan milosevic. many were still there when milosevic himself was incarcerated here in 2001, while awaiting trial for corruption and war crimes. today it houses some of the nation's most dangerous criminals. including the assassin of a former serbian prime minister. >> translator: they have committed all kinds of criminal offenses. basically every criminal offense on the books. these include organized crimes, war crime and other serious criminal offenses such as homicide. >> like american prisons, cz f

this is belgrade where roofs were blown off and trees and power lines were taken down. >> i can hearhe hail popping and i looked out and went back to the bathroom and it was horrible. i couldn't wait for to it get done with. it was started again. so i looked out and thought oh, my lord. bill: forecasters predicting more hail and damaging wind. so heads up today. martha: senator rand paul off to a contentious start. >> you once said iran was not a threat, now, you say the is. you once proposed ending form aid to israel you now support it at least for the time being and you once want to cut defense spending now, you want to increase it 60%. >> why don't you let me explain instead talk over me. before we go through a litany of the things you changed on. why don't you ask me a question. >> is iran still not a threat. >> no, no, no, no, you edearlyearly -- you edearlyearlyearlyed -- you editorialized. why don't you ask me aquestion instead of saying my views changed. let's go back. your precipitation and question is mistaken. let me finish that. kelly, shh. calm down a bit here kelly. mar