Mark Memmott

Mark Memmott is NPR's supervising senior editor for Standards & Practices. In that role, he's a resource for NPR's journalists – helping them raise the right questions as they do their work and uphold the organization's standards.

As the NPR Ethics Handbook states, the Standards & Practices editor is "charged with cultivating an ethical culture throughout our news operation. This means he or she coordinates regular training and discussion on how we apply our principles and monitors our decision-making practices to ensure we're living up to our standards."

Before becoming Standards & Practices editor, Memmott was one of the hosts of NPR's "The Two-Way" news blog, which he helped to launch when he came to NPR in 2009. It focuses on breaking news, analysis, and the most compelling stories being reported by NPR News and other news media.

Prior to joining NPR, Memmott worked for nearly 25 years as a reporter and editor at USA Today. He focused on a range of coverage from politics, foreign affairs, economics, and the media. He reported from places across the United States and the world, including half a dozen trips to Afghanistan in 2002-2003.

During his time at USA Today, Memmott, helped launch and lead three USAToday.com news blogs: "On Deadline," "The Oval" and "On Politics," the site's 2008 presidential campaign blog.

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.

Twelve days into the mystery of what happened to Malaysia Airlines Flight 370 and the 239 people on board, more clues seem to raise only more questions.

The latest news about the investigation and search for the plane includes:

The nation's "first basketball fan" has Michigan State winning it all in this year's NCAA Division I men's basketball championship.

President Obama filled out his brackets for ESPN again this year. The sports network aired the president's pre-recorded appearance earlier today.

Why Michigan State?

Updated at 10:30 a.m. ET.

Saying that "Toyota intentionally concealed information" and misled the public about the danger that some of its vehicles might suddenly accelerate, Attorney Gen. Eric Holder announced Wednesday that the automaker is being fined $1.2 billion for not being forthcoming after car owners started to complain in 2009.

As the search for Malaysia Airlines Flight 370 and the 239 people on board has continued over the past 12 days, there have been many reminders about the fate of Air France Flight 447.

We updated this post as Russian President Vladimir Putin spoke and other leaders reacted.

Wasting no time and showing no sign that he's concerned about Western objections or economic sanctions, Russian President Vladimir Putin annexed Crimea on Tuesday.

The search continues for Malaysia Airlines Flight 370 and the 239 people on board. They disappeared on March 8 when the jet apparently turned west while over the Gulf of Thailand. It was on a flight that should have taken it from Kuala Lumpur north to Beijing.

Now, a search that stretches far to the south in the Indian Ocean to far to the north in Central Asia is underway. The area covers more than 3 million square miles.

Tuesday's headlines help highlight the latest developments:

This post was updated at 4:09 p.m. ET.

Old wrongs were righted Tuesday afternoon, as The Associated Press says, when President Obama awarded the Medal of Honor to 24 Army veterans.

The odds are that somebody in your office or shop is trying to get you to toss a few bucks into the pool and fill out the brackets for this year's NCAA men's basketball tournament, which gets underway tonight. Fans of the women's championship might also be after you.

Already in the news for a recall involving 1.6 million small vehicles with faulty ignition switches, General Motors on Monday added 1.2 million SUVs and nearly 400,000 other vehicles to its list of models with problems that need fixing.

The new recalls, which GM has listed here:

Updated at 3:10 p.m. ET.

Russia has officially recognized Crimea as a sovereign independent state, after President Vladimir Putin signed a decree to that effect late Monday, according to a release from the Kremlin. The decree takes effect immediately, naming "the Republic of Crimea, in which the city of Sevastopol has a special status."

We're updating this post as new information comes in.

There's still no sign of Malaysia Airlines Flight 370 or the 239 people on board.

The plane went missing March 8, less than an hour after taking off from Kuala Lumpur on what was supposed to be about a six-hour flight to Beijing.

Hoping to cut down on air pollution that in recent days has reached dangerous levels, city officials in Paris on Monday began trying to cut automobile emissions by enforcing an odd-even system of traffic rules.

For the most part, only cars with odd-numbered license plates could be on the rues et boulevards Monday (since it's the 17th of March). On Tuesday, the city's streets were to be open only to cars with even-numbered plates.

Walter Williams, the 78-year-old man from Mississippi who two weeks ago "came back to life once he was put on an embalming table," has died.

This post has been updated.

Update at 12:45 ET: Russian Foreign Minister Sergei Lavrov and U.S. Secretary of State John Kerry came away from talks Friday in London saying they had not come any closer to an agreement about how to end the crisis in Ukraine.

Lavrov told reporters after the two men met that Russia intends to "respect the choice of the Crimean people" — who will vote Sunday on whether to join the Russian Federation. That was a sign that Russia may indeed move to annex the region if Crimeans indicate that's their wish.

Update at 10:20 a.m. ET: After Flight MH370 Disappeared, It Kept Telling Satellites 'I'm Awake':

Communications satellites continued to receive signals from the missing Malaysia Airlines plane for at least 5 1/2 hours after it disappeared over the Gulf of Thailand, a source familiar with the investigation tells NPR's Frank Langfitt.

Frank, reporting from Shanghai, writes that:

"Flight MH370's last known communication came after 1 o'clock last Saturday morning, local time, according to Malaysian officials.

Among the latest developments related to the crisis in Ukraine:

You kind of have to admire headlines such as this:

"UK-bound great white shark Lydia could be PREGNANT"

That's the Mirror doing its best to scare folks into reading its report.

The story behind the scary headline, though, is interesting.

Our headline from last night could very well be repeated today:

"Confusion Reigns Over Missing Jet's Final Location"

In fact, to say things are confusing might even be an understatement.

(This post was updated at 4:52 p.m. ET. to reflect President Obama's meeting with the interim prime minister of Ukraine.)

Conceding that "we cannot launch a military operation in Crimea, as we would expose the eastern border and Ukraine would not be protected," Ukraine's acting president has told Agence France-Presse that his nation won't use force in a bid to keep Crimea from breaking off and joining the Russian Federation.

The Obama administration's push to put income inequality atop the domestic political agenda has another battlefront.

According to The New York Times, the president "this week will seek to force American businesses to pay more overtime to millions of workers, the latest move by his administration to confront corporations that have had soaring profits even as wages have stagnated."

Deborah Hersman, known to many Americans because she's the face of the National Transportation Safety Board at the scene of plane crashes and other transportation-related disasters, is stepping down as head of the NTSB.

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.

"Crimea's regional legislature on Tuesday adopted a 'declaration of independence of the Autonomous Republic of Crimea,' " The Associated Press reports. "The document specified that Crimea will become an independent state if its residents vote on Sunday in favor of joining Russia."

That's just one of several developments Tuesday as the crisis in Ukraine continues. Among the other news:

Another cold snap could change things, of course, but it appears that after a long winter the Great Lakes have come close to — but won't break — their recorded record for ice cover.

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