Bryan Caplan on the surprising weakness in Milton Friedman’s argument that the existence of a welfare state counsels against more-open immigration .
Former GMU students Ryan Young and Alex Nowrasteh on problems caused by immigration restrictions .
Alex Nowrashteh on conservatives’ failure to embrace more-open immigration .
Robert Higgs on the “Your papers, please” mentality .
Anthony Gregory on Democrats’ push for National ID cards .
Ben Parizek graphs America’s immigration history . (HT Karol Boudreaux)