Tim Gaynor of Reuters offers "Could legalizing immigrants improve U.S. economy?" (link) Just because the only booster he could find to say that granting amnesty to illegal aliens would have a major financial benefit was Scott Smith, mayor of Mesa, Arizona doesn't mean that there aren't others out there; we know there are. However, whenever even Marc Rosenblum of the Migration Policy Institute says the following perhaps massive immigration activists might want to give up: "A lot of this conversation about economics has to do with the political optics... Immigrants are still a small proportion...