The present Green Cards should be made invalid. Any new work permit cards should be issued with a full I.D. strip and expire in no more than one year with penalties for fake ones. Withdraw all wellfare payments to everyone that does not have a new card that is only available for those coming into the country legally. Depart all card owners with their families if any one of them is here illegally. Check all people as they go through a border exit to make certain all vehicles have proof of ownership and free of all loans and free of any tickets.