Assessing Risks of Toxic Chemicals

"Perhaps our notion of what's dangerous and what's not dangerous and what proper practice should be is distorted from the controversy that surrounded recombinant DNA technology. When it was introduced, procedures which most thoughtful people felt should be really addressed with a certain level of safety were exaggerated perhaps in the public mind. And, when there isn't a sufficient justification for a safety procedure, it loses its meaning and you lose respect for it. That is important to overcome because when you do work in a laboratory there are reagents in the laboratory and procedure that are very worthy of the kind of respect that's necessary to deal with them"
Philip Leder, M.D. HHMI Senior Investigator Harvard Medical School

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The video ended abruptly. Is there a part 2?