Often the problem isn’t nation of origin, it’s the nature of the training given from one generation to the next and knowledge transfer. My father used to work

Often the problem isn’t nation of origin, it’s the nature of the training given from one generation to the next and knowledge transfer. My father used to work in Hughes in some areas that required American citizens by US law; he regularly told stories of someone in a department retiring before replacements had been hired for knowledge transfer, causing lost time and knowledge.