America is at a crossroads. Hispanic immigrants form a growing minority in southern states. These immigrants often do not speak English, or if they do, they speak it poorly. The solution, says the government? Bilingualism. Everything in English and Spanish. "Tolerance" for other cultures. But this is a trap. The lofty ideal of bilingualism is unsustainable and divisive. I will point to two examples as evidence.
The first: Canada. Anyone who is even vaguely aware of Canadian politics is cognizant of the once-strong nationalist movement within Quebec, culminating in referendums which came very close to separating Quebec from Canada. Today, Quebec is a devolved region with autonomy granted to it in many areas: even immigration and employment policy. Anglophone Canadians often have enmity for Francophone Canadians, and vice-versa. While the nationalist movement is falling away with the recent death of the Bloc Quebecois, there still exists a strong desire to maintain a sense of Quebec sovereignty. This is inefficient, confusing, and promotes divisiveness.
The second: Belgium. Again, those who read about Belgian society know that Belgium is a country divided into two regions. One speaks Dutch; the other French. The political struggle between northern Flanders and southern Wallonia reached its greatest level recently when the two opposing regional factions failed to construct a government for a staggering 541 days. Cultural superiority reigns on both sides; many times one will hear hate-speech against the opposing culture.
Both of these are products of attempts to integrate a culture that speaks another language by allowing the retention of that language. By refusing to force the other culture to speak the dominant language, the other culture becomes insulated - an "outsider" to the greater society. When Louisiana was bought by the United States, no attempts were made to introduce bilingualism to accommodate a French population. They spoke English, or they were ostracized. It is unsurprising that many chose to speak English.
A similar choice exists for America today. Do we allow the reign of bilingualism to continue, eventually forcing many southern states into conditions seen in Canada and Belgium where a minority will speak a language that the wider society does not understand? What are the implications if we say "yes"? Will southern states become like Quebec, insulated territories whose inhabitants identify regionally rather than nationally? What can we do if we say "no"? Should we implement no-cost language-learning centers to integrate these people into the US as they should be? Should we allow documents and official government messages to be sent only in English?