The H1B visa scheme that the Unites States introduced in 1990 to allow companies to bring in highly skilled foreign workers who were otherwise unavailable in the domestic labor market, has become a very controversial political topic.Originally, companies could bring in up to 65,000 workers from abroad – most of them computer and engineering talent, but in 2013, this limit was raised to 300,000.The stated goal was to allow the US to attract the best and the brightest – but the way the program has since been implemented has drawn criticism on multiple grounds. Companies hiring in this way were...