If you mean the 10 Commandments Monument. He's been there and done that. The court refused to hear the issue.
Bear in mind that the Supreme Court no longer applies the Constitution to legal issues that should have been considered within its framework.
The justices now consider themselves an international court. They regularly cite law and court rulings from other countries, instead of only applying the American Constitution to legal issues presented to them. Traitors.
The Constitution is unique among all other national constitutions in the world. Natural rights - rights not derived from government - can not be found in any other constitution in the world.
This is why these traitors will not rule on separation issues.
A religious practices issue can only be heard within the framework of American Constitutional law. In making a ruling within this legal framework would give new life to a sacred document hated by traitors wrapped in the flag.
The Supreme Court can not, and will not, let that happen.
It would be unacceptable in the international setting of pluralistic governance - the rendering of nation states to the status of regional political jurisdictions answerable to a hemispheric government that in turn is answerable to a central global government.
The American Supreme Court is in a NWO mind-set; finding their new role to be that of parrot echoing international law - superceding all American law - including the Constitution.
And with globalization, "we can't have that". You don't hear anyone talking about exporting the Bill of Rights, rather they are trying to destroy the Bill of Rights so that a merger with other nations will be possible.
Having a few rowdy Americans talking about "Rights" isn't going to be good for morale in the New World Order. Thus the sooner the Bill of Rights, is abolished, the easier it will be to create regional governments.