There's absolute reason to believe in any war, you won't have a number that's 100% accurate. There are a number of conflicting factors between the various estimates out there. Some counts, for instance, don't include the numbers in the Falluja operation (including the Lancet Medical Journal count which claims 194,000 not including Falluja have been killed since the invasion). And, as you've said, we'll never accurately detail each of the numbers between civilians, insurgents and infantry alike.
That's why when I protest the war and argue here and such, I refer to the cost as "tens of thousands have died", that way it doesn't sound hyperbolic. I believe it can be agreed that at least 30,000 are dead since the invasion began, as Bush himself believes it to be around that number. We don't know exactly how many have died, but in any case, it's a lot, and an unnecessary lot. We don't know the specific numbers for civilians and insurgents alike, and the numbers are lumped together I imagine, but what is certain is that at least 30,000 have died in relation or result to the invasion/occupation.
I'm aware of that domestic 49,000 murders annually statistic as well, and absolutely agree that's alarming. How do I respond and protest those alarming numbers? See to it I never commit that heinous crime. Educate your loved ones and others.
What tempts some husbands out there to beat up their wives, what tempts one to rape another, what tempts some parents to lock their children in the house and pluck their toenails out with pliers, I'll never understand and am saddened just this happens ever so much. This inconceivable human behavior is arguably beyond our control, and I'm certainly not going to blame any sole individual for it.
This war, however, is within our control. If only our administration could understand the nation is on the precipice of civil war and things are messier than ever down there, they could bring it to an end at any time. A majority of Americans believes we should leave either now or between the next 6-12 months. Even 72% of surveyed troops serving in Iraq in a Zogby poll believe we should leave either immediately or within 6-12 months. This war is this administration's responsibility, and I pray they understand the nature of the conflict.
"If we have no peace, it is because we have forgotten that we belong to each other"