The problems tend to be revealed 10+ years later when it's learned that they've been sending classified military and proprietary corporate data back to China.
Democrats are so worried about Russia, they’ve forgotten to bolt the back door.
All Trump’s fault!
My son is trying to get into grad schools for a PHD program in Biotechnology. Harvard/MIT have the premier program in the US. Maybe the world. Two of the labs there are made up of 100% Chinese students. US students need not apply.
FYI, he is also applying to BU, Carnegie Mellon, Northeastern, Johns Hopkins, U Penn and a couple others.