The leaders of the world’s most powerful tech and social media companies are being called back to Washington. The US Senate Judiciary Committee has officially invited the CEOs of Alphabet (Google), Facebook-parent Meta, TikTok and Snap to testify in a public hearing regarding children’s online safety. This marks the first time at a group of tech executives has been called to Capitol Hill together since 2024.According to a report by news agency Reuters, Senate Judiciary Chairman Chuck Grassley issued the invitations earlier this month to a high-profile lineup of tech CEOs. These include:Sundar Pichai (CEO of Alphabet/Google)Mark Zuckerberg (CEO of…