http://www.slate.com/articles/news_and_politics/politics/2015/08/donald_trump_immigration_and_asians_is_the_gop_dooming_itself_to_a_repeat.html

Most of the time, when we talk about immigration, we’re talking about Latin America. Donald Trump isn’t threatening to round up Irish immigrants in Boston who entered the country illegally or to build a wall between us and Canada; he’s threatening Latinos and tapping into an ugly strain of racist nativism. It’s why “anchor baby”—slang for the American-born children of unauthorized immigrants—is such a charged term. To many, it’s racial code for often brown-skinned, Spanish-speaking children.