people. whistle-blower frances haugen testifying that they know how to make the platform safer but hasn t done so. zuckerberg, not surprising, responded saying, quote, at the heart of these acquisitions is the idea that we prioritize profit over safety and well-being. that just not true. donie sullivan joining us now. lawmakers are calling for zuckerberg to testify, which he s done before, on the hill. this at a more precarious time with bipartisan support, it seems, for some sort of regulation. will that happen? possibly. verg zuckerberg posted a 1300 word screed trying to undermine this. senator blumenthal saw that and