so another debate over energy rages on in america let's talk more about this i'm joined now by greg palast is an investigative journalist and author of the book voters picnic and pursuit of petroleum pegs power pirates and high finance carnivores affect to be out in bookstores on november fourteenth. welcome there so first of all i want to ask you what is fracking and what is so dangerous about it well fracking is brand new wave getting gas and oil only out really really use for about a decade or so. it what we do they do is they drill down then they go horizontal through shale deposits which normally couldn't get gas out of except then they use an explosive and blow through an explosion they blow sand through the pipe zillions of holes and then they dump chemicals and high pressure waters that wracks fractures the rock around the pipe when that pipe but when all that rock is fractured then the gas little gas bubbles within that rock start pouring through into the pipe and up the pipe now sounds good because this is now increased the amount of the actual gas that we can pull out of america