Immediate Answer: In a significant 6-3 decision in Wolford v. Lopez, the U.S. Supreme Court struck down a Hawaii law that effectively banned carrying firearms on private property open to the public without express permission. The Court ruled that states cannot treat all businesses as "gun-free zones" by default, asserting that such restrictions violate the Second Amendment’s right to bear arms for self-defense. What Happened: On June 25, 2026, the Supreme Court delivered a la