From New Jersey's Brief arguing against cetiorari Drake v. Jeregian:
http://sblog.s3.amazonaws.com/wp-content/uploads/2014/03/NJ_AG_Brief_Opposing_Sup_Ct_.pdf
http://sblog.s3.amazonaws.com/wp-content/uploads/2014/03/NJ_AG_Brief_Opposing_Sup_Ct_.pdf
The alternative to requiring a justifiable need would be to allow the widespread carrying of handguns.