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I spoke yesterday with Dan Sichel, a Wellesley economist and a Lady Gaga fan. Both of these facts are relevant for this story.

The U.S. government is about to tweak the way it measures the economy, and some of the biggest changes will affect the entertainment industry.

Under the current system, Sichel told me, Lady Gaga's sales of concert tickets, online songs and CDs all count toward gross domestic product. But the value of the time she spends in the studio working on new songs isn't counted. That's about to change.

One of the more popular provisions of the federal health law requires that women be given much freer access to prescription methods of birth control. That includes not only the pill, but implants and IUDs as well.

But what happens if there are not enough doctors to prescribe those contraceptives?

That's exactly what worries some reproductive health advocates, as efforts are underway to rewrite rules governing the training of the nation's family doctors.

The inspiration for NPR's Coffee Week arrived in an email last summer. I had just reported on the growing Third-Wave Movement in Coffee, and the burgeoning interest in coffee cuppings.

General Motors has been the American car company in China. Even when GM was in bankruptcy, the Chinese continued to view Buick as a high-status, luxury brand.

But now Ford, an also-ran in the market for years, is making a push to change all that. Last year, Ford's sales were up more than 30 percent in China, and the Ford Focus was the best-selling car in both the world and China.

In recent weeks, the Associated Press, NPR and the BBC have all had their Twitter accounts hijacked. Hacks of high-profile accounts have real-world consequences, and the security at Twitter is coming under increased scrutiny.

As the social media platform has become an essential news and communication platform globally, it has also become a honey pot for hackers. It's so deliciously attractive, they can't seem to resist.

Defense Secretary Chuck Hagel on Wednesday tried to tone down Israeli claims that the Syrian government has been using chemical weapons.

Chemical weapons use is important, because the United Staes has repeatedly said their use marks a "red line" in the conflict. President Obama and the United Nations have warned President Bashar Assad not to use them.

The Los Angeles Times reports:

Scientists have discovered what may be an important new risk factor for heart disease. And here's the surprising twist: The troublesome substance seems to be a waste product left behind by bacteria in our guts as they help us digest lecithin — a substance plentiful in red meat, eggs, liver and certain other foods.

Doctors say the research further illustrates the complicated relationship we have with the microbes living inside us, and could lead to new ways to prevent heart attacks and strokes.

The opportunistic political sentiment of never letting a crisis go to waste (see: Rahm Emanuel, among others) has been reframed since the Boston bombings by those seizing on the attack as certain evidence of their positions.

After the Senate failed to pass bipartisan legislation to expand background checks for gun purchases, the superPAC created by shooting victim and former Rep. Gabrielle Giffords and her husband, onetime astronaut Mark Kelly, vowed to remind voters of which lawmakers voted against the plan.

Landlocked Bolivia is turning to the International Court of Justice in The Hague to reclaim access to the sea that it lost to Chile in the 19th century.

The Santiago Times reports:

Talib Kweli has been writing and performing for almost 20 years now — as a solo act and as half of well-received duos that reached a broad audience — and for much of that time he's been pinned with a label that's a relic of a 1990s understanding of hip-hop: "conscious rap."

The redesigned U.S. $100 bill will begin appearing after October with new security features that will make it "easier for the public to authenticate but more difficult for counterfeiters to replicate," the U.S. Federal Reserve said Wednesday.

In the days since the Boston Marathon bombings, local law enforcement officials have been given high marks for their response to the attack and the coordination among numerous federal, state and local agencies involved.

But at the same time, questions are being raised about the coordination among federal agencies handling intelligence they had about the suspects in the months before the attack.

The town of Meiktila in central Myanmar presents a tranquil scene on a hot April day: A woman presses juice from sugar cane while customers loll around in the midday heat. The town is right in the center of the country, on a broad and arid plain where white cows graze among palm trees and pointy pagodas. It's a bustling trading post on the road between the capital, Naypyidaw, and the country's second-largest city, Mandalay.

Thao Nguyen has been busy since her last album, Know Better Learn Faster, came out in 2009. The band moved to San Francisco while Nguyen explored recording with other artists, even making an album with Mirah.

This is the sixth week of the trial of Dr. Kermit Gosnell, the physician charged with five counts of murder in the deaths of a woman and infants at the Philadelphia abortion clinic he owned and operated.

President Obama's time in office has not been defined by terrorism as President George W. Bush's was. Yet incidents like the one in Boston have been a regular, painful through line of his presidency.

When a new administration walks into the White House, nobody provides a handbook on how to respond to a terrorist attack. So the Obama administration has been on a steady learning curve.

Scientists have digitized and analyzed imagery taken by one of the first U.S. weather satellites to create a montage showing the extent of polar sea ice in 1964 so they can compare it to more recent satellite photos.

Black and Latino homebuyers pay more for housing than whites and Asians, according to a study released this week by Duke University. The price difference is about 3.5 percent.

That may not sound like a lot. But Patrick Bayer, a Duke economics professor who led the study, says when you do the math, that percentage can translate to about $5,000 or $10,000 per housing sale.

(Andy Carvin, NPR's senior strategist for social media, sends us this dispatch about a Twitter account that may hold clues in understanding the surviving Boston bombing suspect.)

With all the other news demanding our attention in the past week, we missed an interesting dispatch from Nevada: Just as the state Senate began moving toward repealing a ban on same-sex marriage, a state senator surprised his colleagues with an announcement.

David Sedaris writes personal stories, funny tales about his life growing up in a Greek family outside of Raleigh, N.C., about working as an elf in Santa's workshop at Christmastime, and about living abroad with his longtime partner, Hugh.