When Gac Filipaj fled war-torn Yugoslavia in 1992, he became a refugee in New York. He took a janitor's job at Columbia University because it included free tuition. But he first had to learn English. After a dozen years, he received a bachelor's degree in classics over the weekend.

All this week, NPR is taking a deeper look at the natural gas boom in the United States. The series is called "The Fracking Boom: Missing Answers."

Three high-ranking executives, including one of the most powerful women on Wall Street, are expected to resign from JPMorgan Chase this week because of their roles in the $2.3 billion loss the bank recently suffered when some risky trades blew up in its face.

The Wall Street Journal, which broke that news, also reports that JPMorgan's losses from the "giant trading blunder" keep growing. It cites "people familiar with the situation," as its sources.

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NPR's business news starts with a Mother's Day shakeup.

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INSKEEP: Yahoo says its CEO, Scott Thompson, is out, after a shareholder revealed an in accuracy on his resume. Mr. Thompson had claimed that he held two college degrees. In fact, he only had one. Thompson's resignation is a victory for an activist hedge fund that has been pressing for a shakeup in how Yahoo is run.

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The economy of Wilmington, Ohio was devastated three years ago when the shipping company DHL left town, taking thousands of jobs with it. City leaders now want to embrace a rapidly growing industry - unmanned aerial vehicles, also known as UAVs. In popular culture, they're somewhat inaccurately called drones. The Federal Aviation Administration recently gave the Air Force permission to test UAVs at the now largely vacant Wilmington Air Park. Here's Ann Thompson of member station WVXU.

Philadelphia's school district plans to close a quarter of its school buildings in coming years to eliminate a huge budget hole. But parents and activists don't trust the decision-makers. Many of them suspect the plan is a ruse to force charter schools and privatization on the district.

Over the weekend, Syrian troops continued their brutal campaign against those who oppose the regime of President Bashar Assad. And a questionable video has been released by a group claiming responsibility for massive explosions that shook Syria's capital last week.

The head of JPMorgan Chase says the trading strategy that cost it $2 billion in a matter of weeks won't really affect the bank's bottom line. But the trade happened during a presidential campaign where the economy and Wall Street are major themes.

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You know, one of the benefits of starting your own company is that you can pretty much wear whatever you want - up to a point. Our last word in business today is: dress for success.

Just as Steve Jobs was known for his mock-turtleneck, Mark Zuckerberg has become known for his hoodie. Business blogs breathlessly chronicle Zuckerberg's dress decisions and note the fact that he sports the collegiate just-rolled-out-of-bed look, even at important business meetings.

Facebook is expected to start selling stock to the public this week. The social networking giant is expected to begin trading on the Nasdaq Stock Market on Friday. CEO Mark Zuckerberg will remain the company's biggest shareholder. Steven Levy, of Wired magazine, talks to Morning Edition's David Greene about what that means for the company and potential shareholders.