31states have already legally declared English their official language, yet the United States as a country does not have an official language.
There are many controversies surrounding the idea of an official national language, the reasons for having one, and the possible negative ramifications of declaring one.
Here are a few resources to provide clarity on the issue;
Current Official English states: http://www.us-english.org/view/13
Explaination of the fundamental idea: http://www.us-english.org/view/8
Truth behind common misconceptions: http://www.us-english.org/view/12
Official language vs "English-only" clarification: http://www.us-english.org/view/11
Our government has many pitfalls, let's not allow multilingual "filibustering" to become another tool for impeding progress.