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Recent images of Iraqi prisoner abuse have raised questions about whether the Department of Defense created a climate for abuse by sidestepping international standards on the treatment for prisoners of war. Experts debate whether the U.S. military broke rules of…

Environmental Protection Agency chief Mike Leavitt signed new regulations Tuesday aimed at cutting pollutants from diesel engines in off-road vehicles such as farming and construction equipment by 90 percent over the next eight years.

Maj. Gen. Antonio Taguba told Congress today that his investigation into alleged abuses at the Abu Ghraib prison in Iraq found failures of discipline, training and leadership. Kwame Holman reports.

At the Pentagon, President Bush issued a strong endorsement of Defense Secretary Donald Rumsfeld and provided an update on the war in Iraq. The following is text of Mr. Bush's statement as transcribed by the White House.