Former Facebook data scientist turned whistle-blower Frances Haugen on Monday told lawmakers in the United Kingdom working on legislation to rein in social media platforms that the company is making online hate and extremism worse and outlined how it could improve online safety. Haugen appeared before a parliamentary committee scrutinising the British government’s draft legislation to crack down on harmful online content, and her comments could help lawmakers strengthen the rules. She’s testifying the same day that Facebook is set to release its latest earnings and news organisations started publishing stories based on thousands of pages of internal company documents...