mountains where the revolutionary armed forces of colombia the fark operate at war with the colombian government for over fifty years no one can penetrate this region without their authorization with the help of divers go betweens we've established contact with the four guerrilla fighters they've authorized us to travel through their zone while waiting to receive us. the local economy is based on coca plant growing these small green leaves are the raw material of cocaine. after years of anti drug enforcement cocoa farming is going through a crisis more and more pickers are leaving the fields to work in the gold mines. we penetrate into the mining zone in the far controlled mountains we get there by mule a two day journey with a good guide. marie c.e.o. is the president of a local small scale miners association. with it for all that used to be cocoa plantations. and the government has eradicated all the coke on the region. each day dozens of mules amble up and down these paths loaded up with cans of cyanide like mercury it's used to extract the gold from the or. we're in the heart of a

this way the small scale miners are considered illegal by the colombian government they live under fark rule most of the time the guerrilla fighters are invisible but they come here regularly to collect their war tax. in order to work you have to pay the guerrillas. everyone pays the entire region of the moco and southern pay. this is the infernal trap the small scale miners were caught had been subjected to paying extortion money as a result they're accused of supporting the guerrillas. dad it's an injustice. if we didn't pay the fox they close down the mine. i don't at this work and they kick us out of the region. for decades there were just these galleries dug out in the mountain but not far from here our guide wants to show us some new forms of land exploitation much more destructive. in the heart of the jumbo excavators dig up the river bed and eat away at the forest little by little. the machines dig up thousands of tons of earth which they unload into giant sifters where the gold is extracted using large quantities of mercury. after their passage nothing grows here again and the

lie in the heart of the cordillera mountains where the revolutionary armed forces of colombia the fark operate at war with the colombian government for over fifty years no one can penetrate this region without their authorization with the help of divers go betweens we've established contact with the four guerrilla fighters they've authorized us to travel through their zone while waiting to receive us. the local economy is based on cocoa plant growing these small green leaves are the raw material of cocaine. after years of anti drug enforcement cocoa farming is going through a crisis more and more pickers are leaving the fields to work in the gold mines. we penetrate into the mining zone in the former controlled mountains we get there by mule a two day journey with a good guide. marie c.-o. is the president of the local small scale miners association. with us for all that used to be cocoa plantations. and the government has eradicated all the coke on the region. each day dozens of mules amble up and down these paths loaded up with cans of cyanide like mercury is used to extract the gold

but the fark aren't the only ones to regain strength thanks to gold the region of calcutta is the most violent of gold bearing zone of colombia here it's the criminal gangs that want their share of the spoils they are known as the buck creams for short. these groups are the heirs of the paramilitary organizations the lay down their arms in the early two thousand in order to retain control over the drug trafficking some of their leaders set up new groups the back rooms were responsible for over eight thousand murders in two thousand and ten. in cook asia it's from this army base that the raids against the back chremes are launched. on this wanted poster their main leaders. for the back creams gold represent certain advantages over cocaine as this military intelligence officer explains to us. that it's easier to market. a lot of cocaine can be seized at any time. as it leaves the production server of the country or when it arrives at its destination but this isn't the case for the go. to. be sent to him it is a small scale mine operator in the coke zero zero region like him hundreds of s

lie in the heart of the cordillera mountains where the revolutionary armed forces of colombia the fark operate at war with the colombian government for over fifty years no one can penetrate this region without their authorization with the help of divers go betweens we've established contact with the four guerrilla fighters they've authorized us to travel through their zone while waiting to receive us. the local economy is based on coca plant growing these small green leaves are the raw material of cocaine. after years of anti drug enforcement cocoa farming is going through a crisis more and more pickers are leaving the fields to work in the gold mines. we penetrate into the mining zone in the former controlled mountains we get there by mule a two day journey with a good guide. marie c.e.o. is the president of the local small scale miners association. with it for all that used to be cocoa plantations. and the government has eradicated all the coke on the region. each day dozens of mules amble up and down these paths loaded up with cans of cyanide like mercury is used to extract the gold

lie in the heart of the cordillera mountains where the revolutionary armed forces of colombia the fark operate at war with the colombian government for over.

lie in the heart of the cordillera mountains where the revolutionary armed forces of colombia the fark operate at war with the colombian government for over fifty years no one can penetrate this region without their authorisation with the help of divers go betweens we've established contact with the four guerrilla fighters they've authorized us to travel through their zone while waiting to receive us. and. the local economy is based on coca plant growing. these small green leaves are the raw material of cocaine. after years of anti drug enforcement cocoa farming is going through a crisis more and more pickers are leaving the fields to work in the gold mines. we penetrate into the mining zone in the far controlled mountains we get there by mule a two day journey with a good guide. is the president of a local small scale miners association. with us for all that used to be cocoa plantations. and the governor.

ooze i've heard, by the way, i don't think it is fark to characterize the dia's assessment as rogue assessment in the intelligence community. i've heard this for quite some time that many people in the intelligence community believe, although they haven't been able to necessarily prove it, and it hasn't been tested that north korea has a missile deliverable nuclear weapon. probably not one that can go very far, but probably something like the nodong that david sa sanger was talking about. that does change the calculation. it does change how the world reacts. will the united states treat north korea like a nuclear power, like a nuclear power that can project its weapons to foreign nations? what does that mean, how does it change calculations? i think the u.s. in part is dyinging back because it doesn't make those calculations. >> mark? >> this begs another question. what would north korea do with a weapon? it would be suicidal to launch the weapon, to use it. but it shows in many ways that nonproliferation, zero tolerance of nuclear weapons, being expanded beyond the initial powers is broken. i

. >> let's try to get brad farks on the phone witnessing what's going on there. what can you tell us? >> i'm at the corner of arsonal street here where a truck has pulled up. we have seen 20 law enforcement vehicles ranging from black suvs to unmarked cars come through the road block that is blocking school street off. we have also seen about three transit buses being driven by law enforcement officials. we were told at one point they may be used to evacuate residents and we did hear from officials they could be used as a shield. we are seeing about six canine units also walking around right now. there's a heavy presence, they appear to be staging this on the intersection of school street and dexter avenue. we see about three local transit buses, but everyone seems to be just kind of holding in place right now. >> all right, brad parks for us on the ground. >> people of boston, in particular, there's just going to be a lot of these packages, suspicious bags, i think over the next couple of days. because law enforcement is going to be very, very nervous about what

the fundamental's are out of fark for the long-term. -- are out of whack for the long-term. guest: the vacancy rate for 2000 was a .4%. in 2011.ed increasing demand unless supply. for our "america by the numbers" segment. let's start with wayne in harrisburg, pennsylvania. caller: how you doing? i'm renting, right? i am in a conflict with 500 families. -- a complex with 500 families. and with housing assistance, right, they have certain apartments they have on the forlex and there was rent the people. i am on social security disability. i am trying to get my rent decreased, but every time i call up, they said they are not doing it. is there anyway i could find out if that is the truth? guest: well, the united states does provide housing assistance in various forms to low income people who rent. the housing choice vouchers sometimes goes to tenants and sometimes gets attached to a housing unit. withent report recommendations by the , thetisan policy center bipartisan housing commission, found that the need for subsidy for people with low incomes far outstripped the available