Protecting ones self, family and home should be enough reason….
Check it out:

City Council members and the mayor of the District of Columbia may appeal a federal court order Monday that called the district’s gun permitting process unconstitutional.

A U.S. district judge placed a hold on the D.C. law that requires residents to have an explicit reason why they need to carry a gun and show an immediate threat to their safety. The judge said the law violates the Second Amendment.