Grenade attack in Iraq kills U.S. soldier.(Chicago Tribune)

Byline: Paul Salopek

BAGHDAD, Iraq _ A U.S. soldier was killed and two others wounded in a rocket-propelled grenade attack Thursday, the latest casualties in a string of almost daily anti-American attacks in the restive center of the country.

Assailants fired at a U.S. convoy about 30 miles south of Baghdad, striking a military ambulance that was carrying a soldier injured in another incident, Central Command said.

The attack brought to 13 the number of Americans killed in action since President Bush declared major combat in Iraq over on May 1, according to newly released Pentagon statistics.

That toll is significantly lower than the widely …