Consider, we have two members appointed by President Bush. One, Roberts was twice described in terms that spelled globalist. Alito? I don't know.
The Bush mindset concerning the sovereignty of America:
The active and punitive discouragement of border enforcement, The public records of partnership meetings with Canada and Mexico, The draining away of technical work to enrich other nations, The alignment with hardcore liberals on many topics,Plus many other concerns about America existing as a sovereign nation, I tend to question how Roberts and Alito will rule on areas of law that are critical to Mr. Bush's goals.
IF there is a drive toward globalism, the first step being regionalism, AND the executive branch with a critical mass of the legislative branch are in tune with this goal, we may be surprised at the ruling.
The subsuming of American sovereignty into a regional aggregate, and the distressing changes that will bring about, would make the criminalizaton of gun ownership a must.