Deepfakes have got Congress panicking. This is what it needs to do.

The recent rapid spread of a doctored video of Nancy Pelosi has frightened lawmakers in Washington. The video--edited to make her appear drunk--is just one of a number of examples in the last year of manipulated media making it into mainstream public discourse. In January, a different doctored video targeting President Donald Trump ended up airing on Seattle television. This week, an AI-generated video of Mark Zuckerberg was uploaded to Instagram.