Sen. Elizabeth Warren (D-Mass.) has raised concerns about Facebook over its decision to uphold its ban on former President Donald Trump, saying the social media giant has become too powerful and should be broken up. Warren was interviewed on Yahoo Finance and Cheddar News on May 5, the day that Facebook’s oversight board—an advisory body some have dubbed the “Supreme Court”—said that the continued suspension of Trump “was necessary to keep people safe.” Commenting on the ban, Warren told Cheddar News she was “glad” Trump remains off the platform, but that Facebook’s move was worrying. “I’m glad that he’s not on Facebook,” Warren said. “I think that he poses a real danger. But I don’t think that Facebook ought to have this kind of power.” She then called for Facebook to be broken up, arguing that social media giants “are crushing competition, and in cases like Facebook, they’re acting like they’re …