A CSM article analyzes the US strategy in Iraq. The US has strung together victory after victory (in a strictly military sense), capturing weaponry and killing insurgents. However, using reduction in number and lethality of insurgent attacks as a measurement, the US and Iraqi government are failing.
http://www.csmonitor.com/2005/0621/p01s01-woiq.htm
Even Republican Senators Hagel and McCain are calling for a truthful accounting from the Bush administration, not that they are likely to get one.