Ilan Goldenberg
points out that not only is Michael O'Hanlon's source for the factoid that Bush administration policies are succeeding in reducing civilian casualties in Iraq a bit unreliable (i.e., the administration itself), but they appear to be going out of their way to make it impossible to verify their claims.
We do, however, have pretty solid information to note that the number of
refugees is on the increase.
This article available online at:
http://www.theatlantic.com/politics/archive/2007/08/more-on-civilian-casualties/45968/