I'm seeing a lot of criticism from the Left that a wall is ineffective, and that is why they oppose the wall (they don't oppose it because they can't afford to give Trump a political victory, it is just that walls don't work). So, should Trump do something more effective than a wall to stop illegal immigration? I'm directing this question at the Left.
Another criticism is Conor's: A wall is racist. That leads to another question: Should we tear down the wall we already have? Again, that is a question for the Left.
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