But what happens if they cannot? That is the question.
Then whatever happens, happens. If they cannot make a country for themselves, then us staying and holding their hands for the next 20 years won't help one bit. It will only waste American and Iraqi lives, not to mention American taxpayer's money, to delay the inevitable.
Democracy does not "come to those who love it," it comes to those who earn it, whether they earn it through blood or sweat.