Will democracy work in Iraq ?

If this happens will the USA do something about this man or let the Iraqis live with their choice ?

Democracy:

[...]
1 a : government by the people; especially : rule of the majority b : a government in which the supreme power is vested in the people and exercised by them directly or indirectly through a system of representation usually involving periodically held free elections
2 : a political unit that has a democratic government
3 capitalized : the principles and policies of the Democratic party in the U.S.
4 : the common people especially when constituting the source of political authority
5 : the absence of hereditary or arbitrary class distinctions or privileges