Read it again. The issue concerns conflicts of interest, not a difficult principle to understand. Clearly, anyone preparing a report on a controversial novel technology under the aegis of a federal agency must meet a "Caesar's wife" level of credibility. Since the author of this forthcoming study, Dr. Michael Phillips, has violated the ethical rules of the National Academy of Sciences by accepting a job at the Biotechnology Industry Organization, he has compromised the integrity of the NAS and cast doubt on the veracity of the study's findings.
Carl