Talk of the Nation

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.

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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.

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ARI SHAPIRO, HOST:

House Republicans and the White House are at a stalemate over how best to avoid the so-called fiscal cliff. As the deficit deadline approaches, the priority for Senate Budget Committee member Sen. Sheldon Whitehouse (D-RI), is to protect the middle class.

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.

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NEAL CONAN, HOST:

Earlier this week, Deacon White was elected to the Baseball Hall of Fame. And yes, we know, you've never heard of him. White's career began in 1871, at the dawn of professional baseball. He played catcher in the days when catchers use no equipment at all: no glove, no pads, no facemask. They became heroes celebrated for their courage and their wits, and Deacon White stood out as one of the best.

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan, in Washington. Standstill, nowhere, nothing happening - House Republicans ask the president to talk, but they know taxes top his Christmas list. It's Wednesday and time for a...

PRESIDENT BARACK OBAMA: Naughty and nice...

CONAN: Edition of the Political Junkie.

(SOUNDBITE OF ARCHIVED RECORDINGS)

PRESIDENT RONALD REAGAN: There you go again.

VICE PRESIDENT WALTER MONDALE: When I hear your new ideas, I'm reminded of that ad: Where's the beef?