My Constitutional rights do not end at the New York city limit...
No they don't however, NY has a differnt gun policy and licenesing requirement than texas. If the citizens of NY have an issue with the constitutiality of the laws in their state they can bring action. The point is each state has its own gun laws.
If we would go back to Constititution, we'd all be alot better off. That includes Education, Social Security. and drug plans, health care...and so it goes. None fall into a common defense or commerce.