The Download: US facial recognition, and battery ingredients

Just four years ago, the movement to ban police departments from using face recognition in the US was riding high. By the end of 2020, around 18 cities had enacted restrictive laws, and lawmakers proposed a pause on the federal government's use of it. In the years since, that effort has slowed to a halt. Some local bans have even been partially repealed, and today, few seriously believe that a federal ban could pass in the foreseeable future. Right now in the US, facial recognition regulations are trapped in political gridlock.