Morning Edition

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STEVE INSKEEP, HOST:

Police are still investigating whether the Tulsa shootings were racially motivated. We do know some of Tulsa's history. It has a difficult history of race relations, including a riot in 1921 that left scores, if not hundreds, of people dead.

Scott Ellsworth has studied that event closely. He's a Tulsa native who now teaches African-American history at the University of Michigan. He's on the line from Michigan Radio.

Welcome to the program.

SCOTT ELLSWORTH: Thank you very much.

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RENEE MONTAGNE, HOST:

And our last word in business today: sushi bot.

It's where raw fish and robots meet up. More specifically, it's a cutting-edge sushi-making machine. A company called Suzumo introduced a prototype at a food expo in Tokyo last week.

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ANNOUNCER: It is true that a skilled chef can train for a long time. However, with Suzumo sushi-making machine everyone can make stable quality sushi very easily.

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STEVE INSKEEP, HOST:

Facebook likes Instagram. That's the top of our business news.

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INSKEEP: And they did more than just click the little thumbs up. Facebook is buying the photo application Instagram and the price is higher than it has ever paid for an acquisition - $1 billion; this for a company with only around a dozen employees. As somebody joked yesterday, why didn't they just download it?

As NPR's Laura Sydell reports, some analysts say the purchase is a defensive move.

M. Ward's music inspires a sense of wonder — it recalls many sounds from a different time and place.

"I get most of my inspiration from older records and older production styles," Ward says, "and that ends up rearing its head in the records that I make. One of the great things about music is that it has the capability of time travel — you smell a certain smell in the room and it takes you back to your childhood. I feel like music is able to do that, and it happens to me all the time."