"The way I read the story -- these Sunnis were killing ONLY Shiite followers of Al Sadr...
Can that be such a bad thing? "
Yes, it can. Our objective in Iraq is to leave a stable country in which all members have access to the rule of law, representation of their interests and concerns, and the right to own property. All people on both sides who carry out vigilante vendettas and vituperative violence stand in the way of that objective.
The Left Wing makes the fundamental mistake of feeling instead of thinking, because feeling is so powerful and gratifying. Don't make the same mistake. Play more chess; think things through, and remember your purpose.
We would be better advised to achieve that HERE in America, and protect what we do have from the encroachments on OUR Culture, Language and Sovereignty.
To achieve what you suggest is our goal in an Islamic republic that has NEVER known Democracy or provided human rights as a matter of course -- is a fool's errand, without FIRST destroying MOST of what currently exists and defeating whatever remains... We're not playing chess..... MY PURPOSE, is to insure the survival of OUR culture and MY grandchildren... Semper Fi