(1) Half the illegals in America arrived here legally - as students, as tourists, as temporary workers. They just stay after their visas expire.
(2) From 2008-2016, GOP Congressmen did absolutely nothing when Barack Obama stopped enforcing current immigration laws. Why should anyone believe that the GOP will enforce new immigration laws?
You must not be very much aware of the laws being enforced already....
F U I want that wall! The wall will work. ASK the ISRAELIS you loser.