The Senate heard testimony Tuesday from former Facebook employee Frances Haugen, who came before the Subcommittee on Consumer Protection, Product Safety, and Data Security to raise the alarm about practices in Facebook that she said demanded congressional action. While there was broadly bipartisan consensus that regulations on the social media platform should be strengthened, Democrats and Republicans emphasized different concerns throughout the course of the hearing. The hearing itself was initially prompted by an expose by the Wall Street Journal which showed that Facebook had hidden research data on the harmful effects of its platform. However, the conversation between Haugen and the subcommittee delved deeper into the company’s practices. Here are the key takeaways from the three-hour-long hearing. Targeting Kids Is Facebook’s ‘Big Tobacco Moment’ Sen. Richard Blumenthal (D-Conn.) immediately identified the stakes of the hearing in his opening statement. “This is Facebook’s Big Tobacco moment,” said Blumenthal. He compared the revelations about …