Trump has called for a foundational Internet law known as Section 230 to be revoked — and conservatives are expected to continue that charge after he leaves office. But if the former president were to launch his own social network, a repeal of Section 230 could open him to legal jeopardy. Danielle Citron, a professor at the UVA School of Law, warned a repeal of Section 230 could leave Trump open to defamation lawsuits and an array of other possible charges.