Big Tech was in the crosshairs yet again Wednesday as a handful of executives fielded blistering questions in a Senate hearing about the impact of their products on children.Facing the Senate Judiciary Committee, the chief executives of Meta Platforms Inc. META, -1.31%, TikTok, Discord, Snap Inc. SNAP, -1.61% and X — Mark Zuckerberg, Shou Zi Chew, Jason Citron, Evan Spiegel and Linda Yaccarino — testified.“Discord has been used to groom, abduct and abuse children. Meta’s Instagram helped connect and promote ...