Two more American military personnel were killed in Southern Afghanistan today when, officials believe, an Afghan civilian grabbed a weapon from an Afghan soldier and opened fire, NPR's Quil Lawrence reports from Kabul. At least one other attacker may also have been involved.

Quil adds that "we don't know yet whether this attack is linked to the Quran burnings, which set off so much violence — including the killing of four U.S. servicemen in the week that followed."

At the Fort Polk military base in the pine forests of central Louisiana, the Army has created a miniature version of Afghanistan — with mock villages and American soldiers working alongside Afghan role-players.

This is the training ground for a new American approach in Afghanistan as the U.S. begins to look ahead to the goal of bringing home the U.S. forces by the end of 2014. The idea is that Afghan forces have to be good enough to defend their country against the Taliban, and to make that happen, the U.S. Army is creating small U.S. training teams at Fort Polk.

In the Michigan Republican primary Tuesday, Mitt Romney had a near-death experience, but he squeaked out a narrow victory over Rick Santorum. That, says veteran Republican strategist Ed Rogers, has calmed some of the anxiety in Republican circles about Romney's strength as a general election candidate.

"Mitt Romney did what he needed to do to give more certainty and more clarity to the race. He dodged a bullet; it was an ugly win," Rogers says. "It's not over. Santorum is still very competitive."

Los Angeles is easing its stance on truancy. For the past decade, a tough city ordinance slapped huge fines on students for even one instance of skipping school or being late, but the Los Angeles City Council is changing that law to focus on helping students get to class because it turns out those harsh fines were backfiring.

Two years ago, Nabil Romero, a young Angeleno with a thin black mustache, was running late to his first period at a public high school on LA's Westside.

Some 75,000 babies are born every day in India. The total population is 1.2 billion and climbing. That's a lot of people to keep track of, and the Indian government has struggled to keep up.

Many Indians, especially the poor, don't have any ID, which makes it increasingly difficult for them to be full participants in a society that is rapidly modernizing. But a new project aims to fix that.

Just when you thought you had the latest in camera technology, along comes something new and shiny and ... rectangular.

It's called the Lytro, and it uses something called "light field technology." In short: You shoot now and focus later.

NPR's resident photo expert, Keith Jenkins, explains: In a nutshell, he says, this camera captures not only the color and the intensity of light — which is what normal cameras do — but also the direction of that light — from every possible angle.

Still confused? We are, too.

U.S. intelligence officials tracking the situation in Syria have their eye on one group in particular: al-Qaida's affiliate in Iraq.

The group has longstanding ties to Syria, and its early members weren't just Iraqis; many of them were Syrians. The former leader of al-Qaida in Iraq, Abu Musab al-Zarqawi, not only established a network of fighters in Syria, but he also folded them into his northern Iraqi faction of al-Qaida.

A next-day analysis of the Republican presidential primaries in Michigan and Arizona won by Mitt Romney underscores one of his weaknesses with his party's base, especially with the ascent of his now-chief rival Rick Santorum: he fares more poorly with born-again and evangelical voters than with non-evangelicals.

Republican presidential candidate Mitt Romney told a reporter Wednesday that he opposes a measure being considered by the Senate that would allow employers to decline to provide contraception coverage to women.

"I'm not for the bill," Romney said during an interview with Ohio News Network reporter Jim Heath. "But, look, the idea of presidential candidates getting into questions about contraception within a relationship between a man and a woman, husband and wife, I'm not going there."

As an editor who helps put Morning Edition on the air, I work overnight. There is something called sleep hygiene that some of us who work while you sleep have studied closely. Sleep hygiene is a set of practices that aim to help you sleep better — like not reading in bed, not watching TV there or playing Angry Birds or reading the news.

In light of the news of Google's new privacy policy, I got to thinking about privacy practices, something you might call privacy hygiene.