A federal judge has delivered a major victory for supporters of the Second Amendment. According to Reuters, U.S. District Judge Kathryn Kimball Mizelle ruled Friday that a federal law barring individuals from possessing a firearm in post offices is unconstitutional. Mizelle, who was appointed during the Trump administration, cited a 2022 Supreme Court ruling, New York State Rifle & Pistol Association v. Bruen, that expanded the right to bear arms in public places. “A blanket restriction on firearms possession in post offices is incongruent with the American tradition of firearms regulation,” M…