e*trade gives you the tools and resources to get it right. are you type e*? now to our "deep dive." new technology like hydraulic fracking, is sparking a big shift in oil and energy production worldwide. many taught that freedom from the shackles of foreign oil could be within reach. but do the risks outweigh the rewards? fracking didn't become widely used until the past decade and involves pumping chemically treated water to rock. that hasn't stopped investors and drill operators from pushing ahead. after fracking became