I wonder if they think we need to "stay the course"?

Study: War blamed for 655,000 Iraqi deaths: "Violence including gunfire and bombs caused the majority of deaths but thousands of people died from worsening health and environmental conditions directly related to the conflict that began in 2003, U.S. and Iraqi public health researchers said."

655,000 people.

And for the American casualty list, please see The Human Cost of Occupation.