Not yet, but the trends are not good. Closing borders will cut off the influx and increased regulations are going to increase the exodus. Biotech or anything

Not yet, but the trends are not good. Closing borders will cut off the influx and increased regulations are going to increase the exodus. Biotech or anything related to "Stem cells" or "Cloning" are the past ones, future ones may be AI. And cryptocurrencies and that entire area of research is quickly becoming untenable in the USA.