21 U.S. troops killed in Iraq in 4 days. If this rate keeps up, we’ll lose near 200 in a month. Last month, there were 79 U.S. troops killed. There have been 173 Iraqi deaths in the last 4 days. There were 1, 579 Iraqi deaths last month.

CBS) An assembly line of rotting corpses lined up for burial at Sandy Desert Cemetery is what civil war in Iraq looks like close up.

The bodies are only a fraction of the unidentified bodies sent from Baghdad every few days for mass burial in the southern Shiite city of Kerbala, CBS News chief foreign correspondent Lara Logan reports.

They come from the main morgue that’s overflowing, relatives too terrified to claim their dead because most are from Iraq’s Sunni minority, murdered by Shiite death squads.

And the morgue itself is believed to be controlled by the same Shiite militia blamed for many of the killings: the Mahdi Army, founded and led by anti-American cleric Moqtada al-Sadr.

Read full story at CBSNews