<img src="https://www.washingtonpost.com/wp-apps/imrs.php?src=https://arc-anglerfish-washpost-prod-washpost.s3.amazonaws.com/public/D2QECF2QRBCF2URAXDEYU6GGIU.jpg&w=1024" /><br>Every year at CES, companies insist we need more robots in our lives. Here are a handful we met on the show floor.