Her father called me and said, 'Go check on Nathaniel now!' So I did. I asked my son if he was OK, and he broke down and said, 'No, Mom. Something is wrong with my brain.' I held him while he ...

Over FaceTime, I can see my real mom's eyes welling a bit, just as mine did. I ask her how she feels hearing her AI. "It's bittersweet," she says, "because I know it'll be here after I'm gone." ...