Morning Edition

The New Jersey Devils avoided elimination in Game 4 of the Stanley Cup Finals by beating the Los Angeles Kings 3-1. Game 5 is Saturday night in New Jersey. The Kings have never won the Stanley Cup.

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When Ray Bradbury died this week, he was hailed as one of science fiction's great writers. Best known for works like "The Martian Chronicles," Bradbury himself didn't think science fiction was a good label for his work. He said science fiction was about what could happen, and believed most of his work was actually fantasy. And yet, in the real world of space exploration, Bradbury was revered. Science writer Andrew Chaikin, for one, considers Bradbury the poet laureate of space exploration.

On July 1, the European Union says it will stop buying oil from Iran. Europe is one of the most important markets for Iran's oil, and in anticipation of the boycott, Iranian oil exports worldwide are already down by more than 25 percent.

Iran's leaders say they can weather this pressure, and so far they have refused to budge on their controversial nuclear activities, ones that prompted a series of economic sanctions.

As a result, it appears as if Iran will only face even greater difficulties when it comes to exporting oil, the lifeblood of its economy.

The year began with New Year's resolutions to get fit and ever since, Morning Edition has been talking to athletes, musicians, a mail carrier and the head of the IRS about the music that gets them moving. The Ultimate NPR Workout Mix series concludes with a contribution from Michelle Obama.

The first lady is the mover and shaker behind "Let's Move," a campaign designed to get young people, in particular, to eat better and exercise more.

During a recent tour of the White House vegetable garden, Obama shared the key to her workout routine.

Imagine a school where every child gets instant, personalized writing help for a fraction of the cost of hiring a human teacher — and where a computer, not a person, grades a student's essays.

It's not so far-fetched. Some schools around the country are already using computer programs to help teach students to write.

There are two big arguments for automated essay scoring: lower expenses and better test grading. Using computers instead of humans would certainly be cheaper, but not everyone agrees on argument No. 2.

Children who get CT scans are at slightly increased risk for brain cancer and leukemia, according to a large international study released Tuesday.

CT scans create detailed images of the inside of the body. So they're great for diagnosing all sorts of medical problems — so great that their use has soared in recent years. More than 80 million are being done every year in the United States.

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Some sad news this morning: The world has lost a literary giant. Author Ray Bradbury died last night after a long illness. He was 91 years old. He wrote such classics as "The Martian Chronicles" and "Fahrenheit 451" - futuristic tales from a man who never used a computer, or even drove a car. NPR's Arnie Seipel has more on Bradbury and his curious life.

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Good morning. I'm Renee Montagne. Eight thousand people will carry the Olympic torch before it reaches London to open the summer games, though one would-be torch barer isn't even human. He's a small red fuzzy monster.

KEVIN CLASH: (As Elmo) Elmo's ready to start training to be a monster torch-bearer. Yay. Oh, oh, Cramp, cramp.

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Now, same-sex marriage is just one reason the Vatican has issued a strong criticism of a book. It's written by a prominent American Catholic theologian, Sister Margaret Farley. That rebuke from the Vatican comes as leaders of an organization of American nuns are in their own dispute with Rome. And to understand what's behind these tensions among Catholics, we called up John Allen, senior correspondent with the National Catholic Reporter.

Just a note for our listeners: Part of this conversation deals with mature themes.

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This is MORNING EDITION from NPR News. I'm David Greene.

RENEE MONTAGNE, HOST:

And I'm Renee Montagne.

Wisconsin's combative Governor Scott Walker has survived an attempt to remove him from office. Labor unions, angry over the Republican governor's successful push to strip them of most collective bargaining rights, had battled Scott Walker and hoped Wisconsin voters would oust him.

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And let's turn to the issue that is front and center this election year - the economy. Austerity measures aimed at curing Europe's debt crisis have thrown a number of eurozone countries into recession. The threat of defaults in Greece and even larger countries like Spain have rattled U.S. financial markets, and President Obama recently said that Europe's troubles are casting a shadow over the U.S. economy.

To better understand what the president is talking about, we brought in NPR economics correspondent John Ydstie.

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Tiny bags of pretzels followed by some kind of rubber mystery meat - for those who fly, you know exactly what I'm talking about: the joys of airplane food. Well, some airlines are now trying to shake things up. They're showcasing some new cuisine in hopes of luring more passengers. But producing food that actually tastes great at cruising altitude is not easy, as NPR's Wendy Kaufman reports.

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NPR's business news starts with yet another setback for Spain.

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