on the left posted:

People with exceptional skills and people from countries with roughly reciprocal immigration policies towards the US. If your country denies visas to US citizens, prepare to see your petitions denied.

Also, in general, we should put people with college degrees at the front of the line. It should be basically impossible to immigrate to the US without a high school education, and we should be proactively stealing graduates from countries who invested a lot of money in making them.