 President Biden saved our democracy by delivering us from Trump in 2020. He must not deliver us to Trump in 2024. This week, with the Supreme Court creating a law-free zone around the president, Trump, newly empowered with immunity, could usher America into a long, dark authoritarian era unchecked by either the courts or a submissive Republican Congress. I represent the heart of a congressional district once represented by Lyndon Johnson. Under very different circumstances, he made the painful decision to withdraw. President Biden should do the same.