Illinois Attorney General Kwame Y. Raoul and 17 counterparts are calling on the full 4th U.S. Circuit Court of Appeals to reverse a panel’s ruling striking down a federal law that prohibits licensed firearms dealers from selling handguns to anyone under the age of 21. In an amicus brief calling for a rehearing en banc, the attorneys general rejected the 4th Circuit panel’s 2-1 holding that the age restriction violates the Second Amendment rights of 18- to 20-year-olds. The brief maintains the panel’s ruling raises …