We weren't only fighting that one. We were also fighting in Afghanistan. Further, between Afghan and the operations that were ongoing in Iraq prior to the war were putting strains on available resources. Particularly some low density-High utilization force amplification assets. Without first freeing up those assets from Iraq, we were unable to go after other evils. Iran would of been a better choice to go after, but without freeing up those assets from Iraq, it was not possible.