Because you are a foreigner. My government has done horrible things to many people in many countries. They are afraid of blowback. In all honesty, if you are a

Because you are a foreigner. My government has done horrible things to many people in many countries. They are afraid of blowback. In all honesty, if you are an intellectual, go elsewhere than the US. We're slowly turning technological backwater because we do not cater to smart people who were born in (gasp) other countries. As for me, I'm stuck here, due to family ties and money. I wish you the best, wherever you go.