Talk of the Nation

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NEAL CONAN, HOST:

Last week, the Supreme Court decided to take up two cases that focus on same-sex marriage, but some gay rights advocates worry that now may not be the best time. Rulings to uphold California's Proposition 8 and the federal Defense of Marriage Act would be a major setback. Even if they're struck down, the rulings could well leave same-sex marriage bans in effect in 30 states. Supporters of gay marriage, given these cases and given this court: is now the right time?

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NEAL CONAN, HOST:

And now, The Opinion Page. Many reporters and editors turn to the "AP Stylebook" to answer questions on grammar, punctuation and usage, so it's news when words are purged. Last month, The Associated Press announced the elimination of Islamophobia, homophobia and ethnic cleansing from next year's stylebook, a decision Chicago Tribune syndicated columnist Clarence Page calls a linguistic blow for blandness. Now, there are a few words so offensive that they're beyond the pale: the N word, the F word.

Somali-born rapper and musician K'naan became a success based, at least in part, on gritty stories from his childhood in war-torn Mogadishu. But on his most recent album, Country, God, Or the Girl, the edginess of past songs has been replaced with a polished pop sound and lyrics directed to a young American audience.

Egyptian President Mohammed Morsi authorized the military to secure the country ahead of a controversial referendum on a draft constitution — a move that some compared to martial law. The opposition is split over what to do — vote down the constitution or boycott the vote altogether.

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IRA FLATOW, HOST:

Next up, who didn't, at one time or another, now think about it, who didn't want to be an astronaut when they were growing up, especially those of us, the children of the space-age space race? Well, for those of us whose lives are a bit more Earthbound, we've got a fun edition to our Ask an Expert series. How about Ask an Astronaut? Everything you wanted to ever ask an astronaut, Flora.

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FLORA LICHTMAN, BYLINE: We're ending this hour into the sea, Ira. Could you tell?

IRA FLATOW, HOST:

Ooh, yeah. I like it.

LICHTMAN: The noise you're hearing comes from a blue whale; that's an animal that can reach 90 feet in length, which is longer than a tennis court. Biologist...

JEREMY GOLDBOGEN: Hands down, these are largest animals of all time. And so one of the questions we're interested in is how do they sustain such an extreme body mass and why don't we see anything bigger than a blue whale?

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FLORA LICHTMAN, BYLINE: Up next, more spacey news.

IRA FLATOW, HOST:

All right.

All right. Can't get enough?

Mm-hmm.

LICHTMAN: Earlier this week, NASA announced plans to launch another rover to Mars in the year 2020. And there's some buzz, there's some speculation that this one could have a wheel up on Curiosity. Maybe it wouldn't just analyze samples there but could shift them back to Earth.

FLATOW: You know, I've heard that before.

LICHTMAN: Don't be downer, Ira.

(LAUGHTER)

In Escape Fire: The Fight to Rescue American Healthcare", director Matthew Heineman exposes what he sees as flaws in the U.S. healthcare system, such as a doctor who can spend just minutes with her patients to a soldier addicted to painkillers. Colonel Chester 'Trip' Buckenmaier III, of the U.S. Army Medical Corps, describes the military's efforts to swap pain pills for alternative therapies, like acupuncture and yoga.

When the New York Post published a freelancer's photograph of a man trapped in the path of an oncoming subway train, many photojournalists, editors and consumers decried the decision as unethical. Others argue that the photo was essential to the story.

Hypothermia kills an estimated 700 people experiencing, or at-risk of homelessness each year, according to the National Coalition for the Homeless. Every day, street outreach workers in cities across the nation go out into communities to encourage people on the street to take shelter, but many homeless people refuse.