The U.S. Federal Communications Commission’s net neutrality rules, passed two years ago, were a “mistake” that caused uncertainty for the broadband industry, the agency’s new chairman said. The net neutrality rules, along with the FCC’s decision to reclassify broadband as a regulated common carrier, “deviated” from the U.S. government’s longstanding light-touch regulatory approach toward the internet, FCC Chairman Ajit Pai said Tuesday at the Mobile World Congress in Barcelona.