Sources for later.

http://www.pbs.org/newshour/bb/politics-jan-june13-immigration_06-21/

 

http://www.businessweek.com/debateroom/archives/2008/08/immigrants_should_learn_english.html

 

http://www.huffingtonpost.com/2013/08/09/immigrants-learn-english_n_3733140.html

 

http://www.gallup.com/poll/163895/say-essential-immigrants-learn-english.aspx

 

Things to use later

 

As the joke goes: What do you call a person speaking three languages? Trilingual.
What do you call one speaking two? Bilingual.
What do you call a person speaking one language? American.