Three Democratic U.S. senators introduced a bill that would limit Section 230, a law that shields online companies from liability over content posted by users, and make the companies more accountable when posts result in harm. Called the SAFE TECH Act, the bill would mark the latest effort to make social media companies like Alphabet Inc’s Google, Twitter Inc and Facebook Inc more accountable for “enabling cyber-stalking, targeted harassment, and discrimination on their platforms,” Senators Mark Warner, Mazie Hirono and Amy Klobuchar said in a statement. In the wake of the Jan. 6 storming of the U.S. Capitol in Washington,...