Morning Edition

Thursday was supposed to mark the end of medical marijuana dispensaries in Los Angeles, after the city council approved a ban on them this summer. But patients and advocates have managed to halt the ban, and some dispensary operators are suing the city.

For years, Los Angeles has been a mecca for medical marijuana dispensaries. Anyone with a doctor's recommendation could stop in at chic storefronts offering cannabis-laced desserts or at the more underground clinics, labeled only with a green cross. Hundreds, maybe 1,000 of these pot shops popped up around L.A.

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And in the tech world, dueling press conferences and competing corporate unveilings, this week and next, are putting the focus on new and improved gadgets.

NPR's Steve Henn joined us this morning from Silicon Valley to tell us about what's on the high tech horizon.

Good morning.

STEVE HENN, BYLINE: Good morning.

MONTAGNE: So there are a host of companies rolling out shiny new toys this week. What's catching your eye?

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Prison officials in Massachusetts say they are still reviewing a federal court decision in Boston ordering them to provide sex-change surgery for a prison inmate. Critics are urging officials to appeal what they call an outrageous abuse of taxpayer funds. But as NPR's Tovia Smith reports, the decision this week reflects national trends of prisons treating gender identity disorder as a legitimate medical condition deserving treatment like any other.

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It's MORNING EDITION, from NPR News. Good morning. I'm Renee Montagne.

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And I'm Steve Inskeep.

Mitt Romney has not done any campaigning the last few days. He's in Vermont with senior aides, preparing for debates next month. And even as President Obama prepares for tonight's big speech, campaign aides say he has been preparing for debates, too. NPR's Ari Shapiro asked past debate coaches what happens behind the scenes.

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It's MORNING EDITION from NPR News. I'm Steve Inskeep.

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And I'm Renee Montagne.

President Obama appeared briefly on stage last night at the Democratic convention. He gave Bill Clinton a hug just after the former president made a stirring case for Obama's re-election.

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It's MORNING EDITION, from NPR News. I'm Steve Inskeep. Good morning. Renee Montagne is back at NPR West. Renee, welcome back.

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Thank you very much. After a nice vacation, and so glad to be here, because big news: President Obama speaks to the Democratic Convention tonight. Just as with Mitt Romney last week, the president will have a huge audience to make his case.

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And after delivering a tribute to her husband on the opening night at the Democratic National Convention, First Lady Michelle Obama yesterday by reaching out to groups of minority delegates there in Charlotte. NPR's David Welna reports.

UNIDENTIFIED WOMAN: Let's give a rousing welcome for the first lady, Michelle Obama.

DAVID WELNA, BYLINE: The African-American caucus was fired up yesterday when Mrs. Obama got there just hours after she brought down the house at the convention arena. She was still getting going.

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And today's last word in business is seeing red.

The designer Christian Louboutin is famous in certain circles for his super high heeled shoes. They can cost more than $4,000 and it's the red lacquer soles that Louboutin is really known for.

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A man is not a mollusk, and many men probably think that's a good thing. And it's not just because a mollusk is a squishy invertebrate with a shell. It's also because for at least one species of mollusk, the males do all the heavy lifting when it comes to childcare.

The species of mollusk we're talking about is Solenosteira macrospira, a marine snail about 2 inches long. These snails live off the coast of Baja California, and during the mating season, the beach is awash with male and female snails in connubial bliss.

Writer Zadie Smith burst onto the literary scene with her first novel White Teeth more than a decade ago. Set in the Northwest London neighborhood where she grew up, White Teeth captured the diverse, vibrant rhythms of a city in transition. Smith returns to the neighborhood in her new novel, NW, but this is a sobering homecoming.