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Sudan and South Sudan are careering closer to a full-scale war, with fighting along their ill-defined border and belligerent rhetoric coming from both sides.

The conflict threatens to cripple the fragile economies in both nations, and it could create new burdens on neighboring countries in east and central Africa, a region prone to humanitarian disaster.

In the latest developments, South Sudanese officials say that Sudan's air force bombed its territory for a second straight day on Tuesday.

Is the "culinary paparazzi" out of control? That's the message of a parody video by musical comedians The Key of Awesome.

The news that for the second time this year someone has collapsed while dining at Las Vegas' Heart Attack Grill doesn't seem to bother the restaurant's fans.

"The first criminal charges in connection with the BP oil spill have been filed against a former BP engineer named Kurt Mix," NPR's Carrie Johnson reports exclusively.

Carrie just told our Newscast unit that Mix has been charged with obstruction of justice for allegedly deleting text messages after the spill. The texts were related to the amount of oil gushing into the Gulf. Mix will make his first appearence in court today.

As a little girl, Anna Quindlen wasn't afraid of a whole lot. She frequently got into trouble and occasionally shot off her mouth. But as she grew older, the Pulitzer Prize-winning writer became what she calls a "girl imitation."

Rebecca Mieliwocki, a seventh-grade English teacher in Burbank, Calif., was just honored at the White House by being named National Teacher of the Year.

In expressing her thanks, Mieliwocki offered this thought: "I am not the best teacher in America. There isn't just one."

And she went on to talk about the hard work and dedication displayed by most American teachers.

According to Los Angeles' Daily Breeze:

If your idea of fun while traveling abroad involves taking part in sports like scuba diving or jumping from someplace high while attached to a bungee cord, you could be in for an unpleasant surprise if you get injured.

"Broadly-speaking, home prices continued to decline in the early months of the year," according to economist David Blitzer, chairman of the Index Committee at S&P Indices.

Half-way through today's hearing in London into the Murdoch family's "scandal-tarred British newspaper unit," and the ethics of British media outlets, the inquiry's focus has shifted, NPR's Philip Reeves reports.

Nothing about what happens during today's Republican presidential primaries in five states is expected to change the fact that Mitt Romney is the presumptive/expected/presumed/inevitable (pick your favorite word) nominee.

Polls are open in Connecticut, Delaware, New York, Pennsylvania and Rhode Island. There are 209 convention delegates at stake and Romney could pull off a five-state sweep.

But — and there's always a but — there's this:

There's some soul-searching going on in the military these days.

The latest scandal to hit U.S. troops fighting in Afghanistan surfaced last week when The Los Angeles Times published photographs showing smiling American soldiers holding up body parts of a Taliban suicide bomber.

U.S. Defense Secretary Leon Panetta addressed the latest incident during a trip to Brussels.

"That behavior that was depicted in those photos absolutely violates both our regulations and, more importantly, our core values," he said last week after a NATO meeting.

There have been hundreds of terrorism trials in the U.S. since the attacks of Sept. 11, 2001, but the case unfolding in Brooklyn, N.Y., is different. While its focus is on defendant Adis Medunjanin and the role he allegedly played in a 2009 plot to bomb New York City subways, the trial itself breaks new ground. It marks the first time the public is hearing in open court about real al-Qaida plots from the people the terrorist group actually dispatched to carry them out.

A new rule that took effect this year in New York state is designed to stop the illegal sale of black bear parts for use in Asian medicine and cooking. While the sale of parts is still allowed, hunters will now have to document that they were taken legally.

The tiny village of Keene, N.Y., in the Adirondack Mountains is part of a trade network that supplies Asian apothecaries and restaurants from New York City to Seoul, South Korea.

The Himalayas are sometimes called the world's "third pole" because they are covered with thousands of glaciers. Water from those glaciers helps feed some of the world's most important rivers, including the Ganges and the Indus. And as those glaciers melt, they will contribute to rising sea levels.

So a lot is at stake in understanding these glaciers and how they will respond in a warming world. Researchers writing in the latest issue of Science magazine make it clear they are still struggling at that task.

Ahead of Pennsylvania's primary Tuesday, the likely Republican presidential nominee has been campaigning in the state with a man at the center of running-mate speculation — Florida Sen. Marco Rubio. But Mitt Romney hasn't said much about whom he might name as his vice presidential choice.

Romney has said he appointed a longtime aide to handle the process and that he hasn't yet discussed making a list of potential candidates. But just about everyone else in politics is discussing it. And the men at the top of that list are asked about it a lot.