David Lynch has a very interesting piece in today’s USA Today. It suggests that that the conventional wisdom on Iran – that it holds all the economic cards in the nuclear showdown – is largely wrong. The regime may be much more vulnerable to comprehensive sanctions than many realize. Lynch notes that foreign direct investment in Iran is one-tenth that of Turkey, unemployment hovers in the double digits, and, since Ahmadinejad took office, Iran’s stock market has plummeted 32 percent. He writes: