Changing immigration trends requires new immigration policy

Interested op-ed from the New York Times. Dowell Myers argues that undocumented migration to the U.S is at all-time lows, the average Mexican birth rate is plunging, and that undocumented immigration is likely to remain a trickle in coming years. He makes a cogent argument that enforcement funds should be diverted to education. Less well-defined is what he means by assimilation in this piece.