The United States was founded by immigrants, so why is immigration such a controversial issue now?

Answer 1

Here are a number of very interesting articles with varying opinions.

http://www.google.com/search?hl=en&ie=UTF-8&ei=YdZVS_7vM8mUtgfS78W9CQ&sa=X&oi=spellfullpage&resnum=0&ct=result&cd=2&ved=0CAoQvwUoAQ&&q=why+is+immigration+controversial+issue+now&spell=1