We already passed into law - the Secure Border Act 2006. They simply defunded it and built a tiny weeny part.
Check out open secrets and see how much money the never trump group has raised
These are not true conservatives, they are Multinationalists, Globalists, so called free traders. Only they don’t care if Jobs go abroad because they are Multinational Corps. and if labor is cheaper they will sell their American Employees out in a heartbeat. In fact we have out IT people training their foreign Scab replacements after our experienced folks get fired and the H1b visa take their place because these cheap labor low skill foreigners cost the “true Conservatives” 35 percent less and don’t get healthcare or retirement benefits. Nice scam that our Congress gave their financial supporters. Its being exposed this year by Trump and Sanders like never before.