How can we know if we are succeeding in Iraq? This is one of the central problems facing the Bush administration, and America, today. The counts of "enemy" bodies that characterized the Vietnam-era approach to this question have fortunately vanished — the military properly and decisively rejected giving significance to body counts from the very beginning of the struggle. But the search for numerical measures of progress continues unabated, and in the absence of body counts, similarly distorting substitutes have emerged.
http://www.armedforcesjournal.com/2006/01/1397777