Mark Memmott, NPR

Mark Memmott joined NPR News in the spring of 2009 to launch a new blog, "The Two-Way," with co-blogger Frank James.

"The Two-Way" is the place where NPR.org gives readers breaking news and analysis — and where it engages users in conversations ("two-ways") about the most compelling stories being reported by NPR News and other news media.

Memmott came to NPR from USA Today, where for over 20 years he worked as a reporter and editor on subjects ranging from politics and, foreign affairs to economics and the media.

In recent years he helped launch and then led three different news blogs at USATODAY.com, including the website's 2008 presidential campaign blog, On Politics.

There were "whistles, cheers and howls" early Tuesday on the grounds of the Griffith Observatory in Los Angeles as the moon turned red during a total lunar eclipse.

Health and Human Services Secretary Kathleen Sebelius, who has borne the brunt of criticism for the troubled rollout of the HealthCare.gov website, said Friday that as she prepares to leave that agency she is thankful to have had the chance to work on "the cause of my life."

Her agency, Sebelius said, has been "in the front lines of a long overdue national change — fixing a broken health system."

(This post is being updated as news comes in.)

At least 20 teenagers and one adult were injured, two of them critically, Wednesday morning at Franklin Regional High School in Murrysville, Pa., when a 16-year-old fellow student attacked them with two knives.

There will be few days that better symbolize the crisis in Ukraine.

On Friday:

As Ukrainian Prime Minister Arseniy Yatsenyuk was signing an agreement on closer relations with the European Union ...

... Russian President Vladimir Putin was signing the laws his country has put in place to take Crimea from Ukraine and make it part of the Russian Federation.

The Rev. Fred Phelps Sr., whose tiny Westboro Baptist Church has protested outside the funerals of fallen soldiers and celebrities to spread its views about homosexuality and abortion, has died, according to news reports. He was 84.

Army Brig. Gen. Jeffrey Sinclair avoided jail time Thursday and instead "was reprimanded and fined a total of $20,000 for inappropriate relationships with three subordinates in a closely watched court case," The Associated Press reports from Fort Bragg, N.C.

This post is being updated.

Satellite images showing objects floating in the Indian Ocean have focused the search for Malaysia Airlines Flight 370 and the 239 people who were on board to an area about 1,500 miles southwest of Perth, Australia.

This post has been updated.

There's no sign yet of Malaysia Airlines Flight 370 — the Boeing 777 with 239 people aboard that disappeared early Saturday while on a flight from Kuala Lumpur to Beijing.

At the same time, there is confusion as to where authorities last spotted the jet.

Nazario Moreno Gonzalez, one of Mexico's reputed drug lords, has now been killed twice.

Well, perhaps we should say that he's been declared dead for the second time.

The head of "the cultlike, pseudo-Christian La Familia cartel" was supposedly killed back in December 2010 during a two-day shootout with police.

Edward Snowden, the former National Security Agency contractor who has leaked large amounts of classified information about the agency's electronic surveillance programs, spoke via video to a sympathetic audience at South By Southwest Interactive on Monday.

We'll be updating this post throughout the day on Monday.

Nearly three days after the disappearance of Malaysia Airlines Flight MH370, there's still no definitive trace of the Boeing 777 or the 239 people who were on board.

As of Monday evening in Malaysia, none of the clues so far had led searchers to the plane.

"The website of major bitcoin exchange Mt. Gox was offline Tuesday amid reports it suffered a debilitating theft, a new setback for efforts to gain legitimacy for the virtual currency," The Associated Press reports.

Also Tuesday, all the posts had been erased from the Mt. Gox Twitter account.

"A federal judge has struck down Virginia's ban on same-sex marriage, ruling on Thursday that the amendment adopted by voters in 2006 is unconstitutional," WAMU's Michael Pope writes this morning. He adds that:

With more than 6,000 flights within the nation canceled today and more than 1,000 delayed because of the snow and ice storm moving up the East Coast, it's time once again to point to FlightAware.com's "Misery Map."

Saying it is "the right thing for us to do for our customers and our company to help people on their path to better health," the CEO of CVS Caremark announced Wednesday that the company's 7,600 pharmacies will stop selling cigarettes and tobacco products by Oct. 1.

Larry Merlo also said CVS will try to help those who want to quit smoking with a "robust national smoking cessation program" at its locations.

Let the arguments begin over who and which film should have been nominated but weren't.

This year's nominees for Oscars from the Academy of Motion Picture Arts and Sciences were just announced and they include:

Best Picture

-- American Hustle

-- Captain Phillips

-- Dallas Buyers Club

-- Gravity

-- Her

-- Nebraska

-- Philomena

-- 12 Years a Slave

The Dallas Safari Club's controversial auction of a permit to hunt one black rhino in Namibia raised $350,000 over the weekend, the club confirms on its Facebook page.

That's at the lower end of the range that club executive Ben Carter had expected. In December, he told NPR that he hoped the auction would raise $225,000 to $1 million.

The National Security Agency headquarters building in Fort Meade, Md.
Reuters/Landov

The National Security Agency "would welco

Just as last week's figures may been distorted by temporary factors related to the holiday season that made things look worse than they really are, the word Thursday that there's been a sharp drop in claims for unemployment insurance needs to be accompanied by the same sort of caveat.

Update at 8:20 p.m. ET. Amazon, UPS, Offer Refunds:

The Washington Post reports:

"Amazon and UPS said Thursday they would offer refunds to customers who did not receive their Christmas orders on time, after a surge in last-minute online shopping caught the shipping giant off guard."

Spacewalking astronauts have successfully replaced a failed coolant pump on the International Space Station.

NPR's Joe Palca reports that American spacewalkers Michael Hopkins and Rick Mastracchio had to bolt the massive pump in place (on the ground, it weighs 780 pounds), connect four ammonia lines and plug in five electrical cables. The ammonia is a refrigerant used in the station's two-part cooling system, which is necessary to dissipate heat from the onboard electrical equipment.

Some critics — perhaps others would say Grinches? — don't like the North American Aerospace Defense Command's annual online "Santa Tracker."

At WBUR, author Ethan Gilsdorf writes that "real-time digital imagery of Santa and his route, or calculations of the loot he's delivered, take the imagination out of Christmas."

The remaining members of the punk rock band Pussy Riot have been released from prison in Russia, a few months short of serving their full two-year sentences for "hooliganism" — a charge that the band's supporters say was just a trumped-up effort to quash free speech.

Target Corp. acknowledged early Thursday that there was a massive security breach of its customers' credit and debit card accounts starting the day before Thanksgiving and extending at least to Dec. 15 — the heart of the holiday shopping season.

Update at 2:50 p.m. ET. Authorities Issue 'All Clear' For All Four Campus Sites:

Harvard's Emergency website issued has cleared the university's Science Center, the last of four sites that were searched for possible explosives.

After nearly 6 hours of searching by bomb squads and other experts, authorities at Harvard University on Monday had issued "all clear" notices for the four buildings apparently cited in "unconfirmed reports" about explosives on campus.

The news that Amazon is hoping to one day use semi-autonomous drones to deliver small packages to customers has many asking a familiar question:

What could go wrong?

Check this tweet:

"An Amazon drone!? What could go wrong?! 'They're autonomous' - this is how the Terminator started FYI..."

(We added to the top of this post at 2:08 p.m. ET.)

There was high drama Thursday on the floor of the Senate as Democrats significantly changed the way business in the chamber is done.

In what Republicans cast as a "power grab" but Democrats defended as a way to break gridlock, the Senate's rules were changed to make it much more difficult for a minority of the members to hold up action on key presidential nominees.

Making a relatively rare appearance on national TV, former President George W. Bush told Tonight Show host Jay Leno on Tuesday's show that "I relied upon my faith, my family helped a lot and I had a good team around me" while in the White House.

President Obama announced Thursday that Americans who have had their health insurance plans canceled because of his Affordable Care Act can keep those plans for another year if they wish.

Those cancellations — most effective on Jan. 1 — have sparked intense criticism of the ACA, in part because the president pledged many times that if Americans liked the health plans they had, they wouldn't have to give them up under the terms of his program.

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