Permits. the debate over artificial intelligence and the podcast titled "technical optimistic," asking questions like, can a.i. be used for good? will it harm us? how should it be regulated? >> we're all hearing stories about how this technology will make our lives easier and how it'll vastly increase our capabilities in medicine, education and engineering. >> there are some places it could come in super handy, like brain surgery. >> a.i. can efficiently and effectively identify cancer. >> but can a.i. be used in a way that upholds human dignity and keeps our society in tact? >> rafi joins u...