https://www.cnet.com/news/sen-warner-more-tech-hearings-and-eventual-regulation-are-coming/

The Virginia Democrat, who's the vice chair of the Senate Intelligence Committee and one of the more outspoken lawmakers on tech issues, told Facebook COO Sheryl Sandberg and Twitter CEO Jack Dorsey that he's not convinced the tech industry can tackle election interference and bad behavior on their own.

"The era of the wild west in social media is coming to an end," said he said during testimony Wednesday. "Where we go from here is an open question."