Craig Nelsen has a detailed smackdown of the Manhattan Institute at ProjectUsa, [Manhattan Institute turning corporate cash into influence] in which he refers to the institute as the "Mad Hatter Institute," since they seem to be in Alice In Wonderland territory.
If I can add something to this, I'd like to point to this slide, where people are asked
Please tell me which one issue is the most important.
Immigration got 11 per cent, but here are the others:
Every one of those is affected by immigration.