US policies are enacted according to their situation. It's none of your business. Your job is how to improve the new immigrants' living standard.
Recommend you to review the CNN " crossfire". Many people doubt that spokesman's IQ
科德尔, could you focus your efforts more on the bad economy situation of new immigratnts rathan other such useless issue like "某些族裔被限赴美 科德尔质疑美国保安政策 "? I know many Chinese are going to send you the bad news about their income by email recently.