This is a long read, and if you can get past the political rhetoric at the beginning, it is a good article about the abuses involved around the HB-1 visa program.
http://www.cnn.com/2017/06/04/us/understanding-the-h-1b-visa/index.html
http://www.cnn.com/2017/06/04/us/understanding-the-h-1b-visa/index.html
