Apr 01, 2026; Washington, DC, USA; Cecillia Wang, national legal director of the ACLU and Anthony Romero, executive director of the ACLUE, wave to supporters as they exit the US Supreme Court after oral arguments conclude for Trump v. Barbara in Washington, DC, on April 1, 2026. The court is reviewing a lower court's rejection of Trump’s argument that children of parents who are in the country illegally or temporarily are not entitled to citizenship. The president's interpretation of a 19th century constitutional provision would fundamentally alter how the citizenship clause has long been understood.; Mandatory Credit: Josh Morgan-USA TODAY via Imagn Images