English is necessary as at present original works of science are in English. I believe that in two decades times original works of science will start coming out in our languages. Then we can move over like the Japanese.
If there's another 9/11 or a major war in the Middle-East involving a U.S. attack on Iran, I have no doubt that there will be, the day after or within days an equivalent of a Reichstag fire decree that will involve massive detentions in this country.
The government of the United States is and always has been a lawyer's government.