Echoing sentiments expressed to the Colorado Independent by U.S. House Leader Nancy Pelosi , D-Calif., more than 49 percent of the shareholders of an oil and gas company in the Permian Basin of West Texas recently asked for more transparency in hydraulic fracturing operations. Nancy Pelosi Pelosi last week told the Independent that oil and gas operators should want to publicly disclose all the chemicals used in hydraulic fracturing, or “fracking,” as protection against future litigation.