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.

Russia's 20 years of having a seat at the table when leaders of the world's most powerful industrialized nations meet came to at least a temporary end.

President Obama and his counterparts from six other major nations announced in The Hague that because of Russia's actions in Crimea, "we will suspend our participation in the G-8."

Hoping it will be "a dignified and reverential setting," the soon-to-be-opened National September 11 Memorial Museum in New York City says approximately 8,000 unidentified remains of those who died in the 2001 terrorist attacks in Manhattan are returning "to the sacred ground of the World Trade Center site."

The U.S. is sending 150 Air Force special operations personnel to central Africa this week — more than doubling the number of American troops on the ground who are assisting in the search for infamous Ugandan warlord Joseph Kony, The Washington Post reports.

Duke went down the first day, losing to nearly unknown Mercer.

Syracuse was bounced out on Saturday by Dayton — a team that hadn't gone very far in 30 years.

Saying that it wants "to allow a more reasoned consideration of the motion to stay," the U.S. Appeals Court for the Sixth Circuit on Saturday effectively hit the pause button on same-sex marriages in Michigan.

Friday, as we reported, a federal judge struck down the state's ban on same-sex marriages.

But late Saturday afternoon, the appeals court weighed in. It said the lower court's decision "is temporarily stayed until Wednesday."

The eight members of a new Vatican commission charged with advising the Roman Catholic Church on how to confront and prevent sexual abuse of children by its priests include a prominent victim.

Ireland's Marie Collins was molested by a priest when she was a young girl in the 1960s. In 1997, as TheJournal.ie writes, she saw her abuser finally brought to justice. She is, the newssite adds:

The National Security Agency has in recent years "pried its way into the servers" of Huawei, a Chinese telecommunications company that the spy agency has long suspected could work with the Chinese military to steal secrets from American firms and the U.S. government, The New York Times reported Saturday.

Russia's grip on Crimea was further solidified Saturday when its forces took complete control of a Ukrainian Air Force base in the town of Belbek, NPR's Gregory Warner and Reuters report.

The landing field and other key sections of the air base had been taken over by Russian forces previously. The section handed over today was where Ukrainian soldiers and their families lived, Gregory reports.

Headlines across the nation and around the Web — such as the one we posted on Friday that read "In Hawaii, Sex With A Prostitute May Be Legal For Undercover Cops" — have led to promises of quick action:

-- "Hawaii lawmakers to end prostitution exemption," says Honolulu's KITV.

Mercer University's stunning upset of Duke on Friday in the NCAA Division I men's basketball championship ruined most fans' brackets — the guesses they make before the 64 teams face each other about which team's going to win every game.

We updated this post with the first shock of the day at 2:35 p.m. ET:

It's one-and-done for the Duke Blue Devils as their men's basketball team was beaten Friday by the Mercer Bears, 78-71, in the Division I men's basketball championship.

Mercer, a No. 14 seed in the Midwest region, was a huge underdog to the No. 3 seed Duke.

The win for Mercer, which has its main campus in Macon, Ga., is by far the biggest upset of the tournament so far. Heading into play, Duke was No. 8 in The Associated Press rankings. Mercer wasn't even among the nation's top 75 teams.

"Honolulu police officers have urged lawmakers to keep an exemption in state law that allows undercover officers to have sex with prostitutes during investigations," the Star Advertiser writes. The issue has come up as the state legislature considers a bill that sponsors say would strengthen several criminal statutes.

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.

We have woven some updates into this post.

Two weeks after the disappearance of Malaysia Airlines Flight 370, the first "credible lead" in the search for the Boeing 777 and the 239 people on board is still just that — a lead, not a discovery.

All-Star relief pitcher Aroldis Chapman of the Cincinnati Reds is expected to make a full recovery and pitch again despite the injuries he suffered Wednesday night when he was hit square in the face by batted ball.

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.

More senior Russian officials are being added to the list of those who the U.S. will seek to penalize for their nation's interference in Ukraine's affairs, President Obama announced Thursday morning.

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.

Ukraine's plans to withdraw its troops from Crimea, which as we reported were announced Wednesday, have apparently been complicated by the issue of whether they will be allowed to take their weapons and other equipment with them.

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.

A year-long review of the Boeing 787, which experienced problems such as fuel leaks and a battery fire, has concluded that the plane is safe.

The Federal Aviation Administration reported Wednesday that a review team believes the aircraft, which Boeing calls the Dreamliner, "was soundly designed, met its intended safety level, and that the manufacturer and the FAA had effective processes in place to identify and correct issues that emerged before and after certification."

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?

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