https://www.reuters.com/article/us-tech-antitrust-congress-homedevice/top-u-s-senator-fears-big-tech-at-home-as-alexa-nest-dominate-idUSKCN2DR1K8 >WASHINGTON (Reuters) -U.S. lawmakers from both parties pressed Alphabet Inc's Google and Amazon.com on Tuesday about their smart speakers markets, amid concern over the domination of the tech behemoths in this area.