(New material based on NPR reporting added to the top of this post at 12:30 p.m. ET.)

Republican presidential candidate Herman Cain is reassessing his campaign but still plans to move ahead at this time, his Iowa campaign director tells The Associated Press and NPR.

In October, President Obama announced that most U.S. troops would be out of Iraq by the end of 2011, after negotiations with Iraqi leaders failed to extend the troops' presence. Only Marine embassy guards and liaison troops will stay behind in the country, where more than a million troops, in total, have served over the past eight years.

Though "overall readings remain historically weak," consumer confidence went up sharply this month, the private research group known as The Conference Board just reported.

Throughout the week, World Cafe travels to Dublin, Ireland — the first stop in a quarterly series called Sense of Place. We hope to give you an idea of the past and present of the city's local music scene and provide tips from musicians and music lovers for those hoping to visit this culturally rich town.

Home prices across the U.S. are still only "back to their first quarter of 2003 levels" and "drifted lower in September and the third quarter," according to the widely watched S&P/Case-Shiller Home Price Indices, which were just released.

As The Associated Press says, the news is "the latest evidence that the troubled housing market won't recover any time soon."

Anders Behring Breivik had been delusional for a long time and was insane on July 22 when he killed 77 people during two horrific attacks in Norway, two psychiatrists reported today. He should be put in a psychiatric ward, not a prison, they conclude.

Diagnostic errors account for as much as 40 percent of medical malpractice claims. And communication lapses, including failing to pass along test results, make up a growing proportion of those claims, according to a recent study.

The work, published in the Journal of the American College of Radiology, shows that malpractice payouts due to communication failures more than quadrupled between 1991 and 2010, to $91 million annually.