National News

Palestinian Authority Faces A Fraught Path To Peace In Gaza

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When weighing the risk of heart disease, how the numbers are presented to patients can make all the difference.

For Better Treatment, Doctors And Patients Share The Decisions

Many of us get confused by claims of how much the risk of a heart attack, for example, might be reduced by taking medicine for it. And doctors can get confused, too.

Just ask Karen Sepucha. She runs the Health Decisions Sciences Center at Boston's Massachusetts General Hospital. A few years ago she surveyed primary care physicians, and asked how confident they were in their ability to talk about numbers and probabilities with patients.

Missing Air Algerie Flight Appears To Have Crashed In Mali

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Bill Simon, head of Wal-Mart's U.S. division, is leaving the retail giant after being passed over for the company's top post.

Four Theories About Why Wal-Mart Changed Its U.S. Chief

Bill Simon, head of Wal-Mart's U.S. division, is leaving the retail giant, the company said Thursday.

Any major shakeup at Wal-Mart is closely watched because the company is so important — it tops the Fortune 500 list with annual sales approaching a half-trillion dollars. So lots of people are speculating about what Simon's departure really means. Here are some theories:

The Simplest Explanation

Protective gear runs from goggles and head covering to gloves and boots. This health worker was photographed leaving the isolation area at the treatment center in Kailahun, Sierra Leone.

This Suit Keeps Ebola Out — So How Can A Health Worker Catch It?

The fight against Ebola in West Africa suffered a setback Wednesday. Dr. Sheik Umar Khan, one of the top doctors treating patients caught the virus, even though he was wearing protective gear.

"Even with the full protective clothing you put on," Khan has said, "You are at risk."

That statement made us wonder about those yellow and white suits you see in photos: Just how good are they at protecting health workers from the bodily fluids that can transmit the virus — vomit, blood, sweat, mucus?

Ukrainian troops camouflage their multiple rocket launcher at a checkpoint in Kryva Luka, in eastern Ukraine, earlier this month. The U.S. says Russia is planning to provide similar systems to the rebels.

U.S.: Russia-Based Artillery Targeting Ukrainian Troops

The U.S. says it has "new evidence" that Russian forces have been firing artillery across the border to attack Ukrainian military positions, and that Moscow is planning to ship powerful rocket artillery to the rebels it backs in the country's east.

"We have new evidence that the Russians intend to deliver heavier and more powerful multiple rocket launchers to the separatist forces in Ukraine, and have evidence that Russia is firing artillery from within Russia to attack Ukrainian military positions," State Department spokeswoman Marie Harf said during a daily briefing.

President of Honduras Juan Orlando Hernandez, left, delivers remarks on immigration beside President of Guatemala Otto Perez Molina.

Central American Presidents Say U.S. Shares Responsibility For Migration Crisis

The presidents of Honduras, Guatemala and El Salvador will meet with President Obama on Friday.

But before the meeting, the heads of state are making the rounds in Washington, telling their side of an immigration crisis that has driven tens of thousands of unaccompanied children to the U.S. border.

Human Rights Watch Researcher Reports ISIS Abuses In Iraq

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Arturo, the only polar bear in Argentina, lives in captivity at a zoo in Mendoza. The plight of the "sad bear" has spawned more than 400,000 signatures on a petition to get him moved to a "better life" in Canada.

Zoo In Argentina Says 'Sad Bear' Too Old To Go To Canada

Despite a public outcry that resulted in more than a half-million petition signatures and a personal appeal by former House Speaker Newt Gingrich, Arturo, Argentina's "sad bear," has been deemed too old to migrate to Canada.

One of the three stamps issued recently to commemorate Syrian leader Bashar Assad's presidential election victory.

Syrian President Issues New Stamps, But Can't Deliver The Mail

As the Middle East froths with blood — from Iraq to Syria to the Gaza Strip — a commemorative set of three stamps depicting Syrian President Bashar Assad may not seem hugely relevant.

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