National News

American Hostage's Parents Say They Hope She Is Alive

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Social Media Pages Give Vivid Glimpses Into Ukraine Conflict

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Ukraine Crisis Tops Agenda At Munich Conference

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Jordan Signals Aggressive Campaign Against ISIS

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Survey teams are part of the Ebola army: They determine who's sick and send out burial teams when needed. Here, Osman Sow talks with Kadiatu, who is eight months pregnant and suspected of having the virus, as she waits at a health center in Freetown, Sierra Leone.

To Get To Zero Ebola Cases, It'll Cost A Lot: Roughly $1.5 Billion

The closer you get to zero, the harder the job."

That's according to Dr. David Nabarro, who heads the U.N.'s effort against Ebola. In a new report, the agency says that while health workers have been making progress in containing the outbreak in West Africa, it will take $1.5 billion over the first half of 2015 to bring the number of cases down to zero. And the effort will require more than 67,000 national and international health care workers and experts.

The parents of Kayla Mueller, 26, released a statement saying they are hopeful she is still alive. Mueller was kidnapped in 2013 while doing humanitarian work in Syria. ISIS claims Mueller died in an airstrike Friday.

Family Of U.S. Hostage Held By ISIS Hopeful She Is Alive

The family of the Arizona woman who Islamic militants claim was killed in a Jordanian airstrike is hoping she is still alive.

Kayla Jean Mueller's parents are not speaking to reporters, but issued a statement through a family representative late Friday asking for privacy and requesting that the so-called Islamic State, which has held the aid worker since 2013, contact them privately.

Jordan called ISIS's claim "criminal propaganda," and U.S. officials say they can't confirm her death, says Martin Kaste of our Newcast desk.

To Get Parents To Vaccinate Their Kids, Don't Ask. Just Tell

As California's measles outbreak continues to spread beyond state borders, many doctors nationwide are grappling with how best to convince parents to have their children vaccinated. Inviting a collaborative conversation doesn't work all that well, many are finding. Recent research suggests that being more matter-of-fact can work a lot better.

Pediatrician Eric Ball, who practices in southern California, says, in his experience, the families skeptical of vaccines can be divided into two types.

People wait on a bus to leave the town of Debaltseve, Ukraine, on Friday to escape the heavy fighting. Nearly 1 million Ukrainians have been displaced by battles between pro-Russian insurgents and government troops.

Brief Cease-Fire In Ukraine Lets Civilians Escape Renewed Fighting

An eight-hour cease-fire declared in Eastern Ukraine allowed hundreds of civilians to escape heavy fighting between the government and Moscow-backed separatists, NPR's Teri Schultz reports.

A histopathology of measles pneumonia is seen in a microscope image from the Centers for Disease Control and Prevention.

University Of California System Will Require Measles Vaccine For New Students

The University of California system, with an enrollment of about 233,000, will require incoming students to be vaccinated for measles, mumps, rubella, chickenpox, meningococcus, tetanus and whooping cough beginning in 2017.

Currently, the university requires only that students be vaccinated against hepatitis B.

In a statement, the university said that this new plan has been in the works for a year, but the current measles vaccine has made it more "pressing."

Arianna Huffington, president and editor-in-chief of The Huffington Post Media Group, speaks at the 2014 World Economic Forum. Reporters and editors in 15 countries will contribute to "What Works," her site's new initiative focused on covering positive news.

Huffington Post Bets People Will Read Good News — And Share It, Too

Greek-born author Arianna Huffington created a digital powerhouse in May 2005 on the back of two major elements: famous bloggers, and the relentless aggregation of stories from elsewhere on politics, pop culture and almost everything else.

Huffington Post's original reporting really came later — and so did a Pulitzer Prize. But the clickbait endures.