Morning Edition from NPR

A new study from the Pew Charitable Trusts finds economic mobility differs significantly across the United States. The report finds Americans are more likely to move up the economic ladder if they live in the northeast.

Yves Klein made his project "FC1" with water, a blowtorch and two models. The women pressed their wet figures against a fire-resistant board, then stepped away. Afterward, Klein torched the board — an effect that left behind blurry silhouettes of models.

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DAVID GREENE, HOST:

Good morning, I'm David Greene.

In the history of Major League Baseball, only 15 players have hit four homeruns in a single game. Well, last night, Texas Rangers slugger Josh Hamilton became Number 16. He hit four balls out of the park at Camden Yards in Baltimore. Orioles' fans weren't happy. Hamilton's Rangers were trouncing their team. Still, they gave Hamilton a standing ovation as he took his place in center field in the eighth inning. As Hamilton put it, that let's you know they are true baseball fans.

In northern Iowa, a group of farmers have banded together to buy nearly 30 miles of railroad track to assure they can get their grain to the ethanol market. Short line tracks are being idled across the country as railroads concentrate on longer trains.

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STEVE INSKEEP, HOST:

North Carolina has become the 30th state to approve a constitutional amendment banning same-sex marriage. State law already prohibits same-sex marriage, but supporters of this amendment say they wanted extra protection. Jessica Jones reports from North Carolina Public Radio.

The Gold Bullion Development Corporation, a Montreal-based exploration company, will allow its shareholders to have their dividends paid in gold. Company President Frank Basa has been paid in gold for more than 20 years.

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RENEE MONTAGNE, HOST:

And now we go to southern Afghanistan for an update on an incident that threatened to undermine America's mission in this country. In March, an American soldier massacred villagers near a remote outpost west of Kandahar. An Army sergeant, Robert Bales, is in custody, accused of that crime.

I reached NPR's Tom Bowman who is in Kandahar now, just back from the area where Sgt. Bales was assigned.

And Tom, I understand you were just a mile or two from where those killings took place.

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DAVID GREENE, HOST:

Anyone who watches NASCAR knows the cars out on the track are plastered with ads. Golfers almost all wear their sponsorships, but not U.S. Olympians.

NPR's Mike Pesca reports that some runners are now chafing at the long-standing rules blocking them from raising sponsorship money.

Japanese automaker Toyota on Wednesday announced its January to March profits quadrupled over last year to $1.5 billion. The company struggled with production after last year's earthquake and tsunami caused huge delays at its factories. With production back to normal, Toyota expects this to be its most profitable year since before the global financial crisis.

Violinist and music educator Roman Totenberg had a long and distinguished career as a concert violinist, and taught for many years at Boston University and other schools. He was also the father of NPR's Nina Totenberg. He died Tuesday at the age of 101.