Hacker News on 2 September 2020

• Ninth Circuit rules NSA's bulk collection of Americans' call records was illegal
• Most-favorited Hacker News posts
• Small nuclear reactors: tiny NuScale reactor gets safety approval
• Police-issued "courtesy cards" help friends and family out of minor infractions
• Russia opposition leader poisoned with Novichok
• Supercomputer analysis of Covid-19 leads to new theory
• How I built a keyboard/video/mouse switch for my two 4k monitors
• Bardcore
• Lesser-known Web APIs
• India bans PUBG, Baidu and more than 100 apps linked to China