WATCH: Controversial SCOTUS decision strikes a divide among lawmakers

The Supreme Court upheld birthright citizenship, rejecting President Donald Trump's executive order to end it. Lawmakers split along party lines, with Republicans criticizing the ruling and some Democrats supporting it. The 6-3 decision included dissents from Justices Thomas, Gorsuch, and Alito, who argued the 14th Amendment does not apply to children of unlawful immigrants.