Guns and ganja: Supreme Court skeptical of federal law banning firearm possession for regular marijuana users

The Supreme Court expressed skepticism Monday about the federal government’s law banning people with a "habitual use" of marijuana from legally possessing a firearm, a Second Amendment case that could test the limits of creating exceptions to gun ownership.

But in two hours of spirited oral arguments over "guns and ganja," several justices — while seeing marijuana smokers as potentially less serious — expressed concern about allowing drug addicts and other illegal substance users who might...