Martin Kaste

Government regulators in the U.S. and Europe are putting pressure on the online advertising industry to adopt a new Web browser option called "do not track." The option is designed to let people request more privacy from the websites they visit.

But there's no consensus yet on how much privacy users should expect. An Internet industry task force convenes Tuesday in Washington to try to hash that out.

Some browsers, like Internet Explorer, Safari and Firefox, already come with a "do not track" button. Other browsers are expected to add the feature soon.

Police departments have come under increased scrutiny from the Obama administration as the Justice Department's Civil Rights Division steps up investigations of corruption, bias and excessive force.

Some of the targeted law enforcement agencies have had ethical clouds hanging over them for years — the New Orleans Police Department being the prime example — but others, like the Seattle Police Department, aren't exactly usual suspects.

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The lawyer for the soldier suspected of killing unarmed Afghan civilians last week says his client may have suffered from diminished capacity, or in other words a mental breakdown. That possibility has focused attention on the Army's ability to detect and treat psychological problems among soldiers. NPR's Martin Kaste reports on how the Army's system works in theory and in practice.

There is still only sketchy information available about Staff Sgt. Robert Bales' recent experience in Afghanistan, but five years ago in Iraq, he was considered an excellent and upbeat soldier.

Bales is suspected of killing 16 unarmed Afghan civilians last Sunday. He has yet to be charged, and his civilian lawyers say they will meet with him at Fort Leavenworth, Kan., to learn the facts of the case.