Petition of the day

Issue: (1) Whether a local ordinance prohibiting the knowing harboring of illegal aliens in rental house is a preempted “regulation of immigration;” (2) whether a local ordinance prohibiting the knowing harboring of illegal aliens in rental housing is impliedly field preempted; (3) whether a local ordinance prohibiting the knowing harboring of illegal aliens in rental housing is impliedly conflict preempted; and (4) whether a local ordinance prohibiting the employment of unauthorized aliens is impliedly conflict preempted.