Serendipitously, the New York Times has posted a global map of US’ “huddled masses,” Immigration and Jobs: Maps of Foreign-Born Workers- Graphic Interactive. The universe is in mixed race conversation. Note how Mexico and the Philippines are at the top of the Immigration list..
http://www.nytimes.com/interactive/2009/04/07/us/20090407-immigration-occupation.html?th&emc=th