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.