“Alexa, can Grandma finish reading ‘The Wizard of Oz’?” With a bizarre piece of AI that could be straight out of a sci-fi movie, Amazon has developed an Alexa feature that lets the digital assistant take on the voice of a dead loved one. The software needs just less than a minute of any person’s speech to be able to mimic it, the company’s AI chief said in a demo of an Alexa feature designed for what Amazon calls “lasting personal relationships.” “In these times of the ongoing pandemic, […] so many of us have lost someone we love. While AI can’t eliminate that pain of loss, it can definitely…