Facebook is getting sued for not hiring enough Americans. Nick Wass/Associated Press Good morning! This is the tech news you need to know this Friday. Sign up here to get this email in your inbox every morning.Have an Amazon Alexa device? Listen to this update by searching "Business Insider" in your flash briefing settings.And for the biggest stories in politics, sign up here for 10 Things in Politics You Need to Know Today - launching soon!Google fired one of its top AI researchers.