Per other articles recently, many foreigners are amassing toward the US border in anticipation of the new legislation.
Unless and until 'enforcement' becomes the primary concern, any new laws will only add to the problem. Until Congress and a President gets serious about the issue, it will never have a solution. And the flood will continue.
The down side is that it threatens our national sovereignty. It is an invasion. And currently, we are losing.
Just wait till the commie gets elected president of Mexico in July....