Suicide bombers?

This is the first I've seen of this.

Meanwhile...

CAMP LIBERTY, Iraq-- Three separate but related wars are being waged in this country now, and the third one, against Shiite extremists, is the most worrisome, according to the commander and senior staff of the U.S. Army division patrolling Baghdad.

The first, against al-Qaeda in Iraq, a Sunni group that U.S. officials believe is foreign-led, is going well despite occasional spikes in violence, such as Friday's dual bombings of Baghdad marketplaces. Al-Qaeda in Iraq is "frustrated" but "not defeated," Maj. Gen. Jeffrey W. Hammond, commander of the 4th Infantry Division, said in an interview last week.

The second fight, against the domestic Sunni insurgency, has become dormant in many places in the past year, as about 80,000 armed men, many of them former insurgents, switched sides and came onto the U.S. payroll with groups that officers here call "Concerned Local Citizens."

The third conflict, and perhaps the most vexing for U.S. commanders, is with Shiite extremist militias. More than two-thirds of U.S. casualties are caused by roadside bombs, particularly by high-tech anti-armor devices, planted by those groups.

Overall, senior U.S. officers find the state of the wars unexpectedly good, and are allowing themselves to begin speaking optimistically. "A year ago, I didn't see any way it was going to work out to our advantage," said Col. James Rainey, the 4th Infantry Division's director of operations, who is on his third tour of duty in Iraq. The difference now, he said, is "remarkable."

We've heard that song before, and tactics and pressure points have changed in response.