What about just hiring remote contractors?

Logistics and vetting mostly. The Indian body shops have a business model that already does this, actually: you hire the body shop, they send over one or two more senior engineers who then act as liaisons that farm out work back in India where most of the body shop is still located. My guess is that you'll just see more of that going on, although the R&D tax rules are getting weird with respect to amortization and out sourced labor.