This struggle will take time - time to root out enemy fighters and supporters within Iraq, time to gaincontrol of the borders, and most of all time to help the Iraqis rebuild their political and security institutions to the point that they'll be able to take over the main burden of the fight.
Israeli officials have also said that the first 48 hours of any full military attack would be most critical when it comes to Israel's security -- time for U.S. forces to gaincontrol of western Iraq, where Iraqi missiles could be within range of Israel.
These are the gold standard randomized control trials or intervention studies, in which a control group consuming soda is monitored for weight gain over time against a group which stops drinking soda (and all other dietary and lifestyle factors are controlled for).
Despite the initial configuration work, IT administrators will save time from not having to manually track usage via Excel spreadsheets, and gain the control that they desire.