Yup. by the tens of thousands.
Their government allows it?
Yup. Pre-positioned terrorists have to get into the country some how, need access to our our brains to blow them out, need justifcation to get H-1Bs so the can be at critical infrastructure and industry points when the time comes.
We allow it?
WE don't, "our" government actively encourages it (Where was chief presidential adviser VayJay born again?)
Why are we educating these folks?
Because we are stupid and/or suicidal.
Who is paying for his doctoral work?
I would guess Terran kicks in a little, and the rest is you and me through our hard earned tax dollars.
Does that clarify it for you?
Nut-job Conspiracy Theory Ping!
To get onto The Nut-job Conspiracy Theory Ping List you must threaten to report me to the Mods if I don't add you to the list...
And a final one: What is a rhetorical question?
... a rambling wreck from Georgia Tech.....
Yes...they come to “study” the vulnerabilities of our infrastructure.