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.

There are hundreds of "car campers" in Seattle's old Ballard neighborhood. They're not homeless, as long as they can find a place to park. But that's getting harder as "no overnight parking" signs close in.

Former Massachusetts Gov. Mitt Romney pulled ahead of his rivals in Washington State's presidential straw poll on Saturday, with more than one-third of the votes. Romney finished well ahead of Ron Paul, who himself squeaked past Rick Santorum by just over 500 votes. Newt Gingrich had to settle for about one vote in 10.

Mandatory DNA collection is fast becoming routine in the American criminal justice system. In many jurisdictions, just being arrested can mean having to submit a genetic sample to the national database. Federal law enforcement and 26 states now permit various forms of pre-conviction DNA sampling and more states are poised to follow suit.

Washington may soon become the seventh state to legalize gay marriage. Lawmakers passed the bill Wednesday, and it has the governor's support.

Before it takes effect, though, it's likely to face a referendum challenge in November. Same-sex marriage will be on the ballot in a handful of states this year, and supporters have yet to win a statewide vote.

The 'Sanctity Of Marriage'

President Obama is feeling election-year pressure on the pending decision over the Keystone XL pipeline. Republicans say the Canadian project would provide the U.S. with oil and new jobs, but environmentalists want him to block it. They say Alberta's oil sands generate more greenhouse gases than other kinds of oil, and Americans must not become dependent on such a dirty source of energy. But it may already be too late to change that.

Yet another foreign government has accused Americans of meddling in its internal affairs. It says U.S. donors are bankrolling local political activists, and it may be time for a crackdown on the political influence of outsiders.