Talk of the Nation

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IRA FLATOW, HOST:

Up next, a look at what current research tells us about what causes inflammatory bowel disease and the potentially simple way to treat it.

Communities along the East Coast are reeling from the impact of Hurricane Sandy, dealing with electric outages, flooded streets, damaged sewage plants and fractured transportation lines. Can cities rebuild stronger, more resilient infrastructure to weather the storms of the future?

What does satellite imagery reveal about Hurricane Sandy? Owen Kelley at NASA is using satellite data to visualize the internal structure of the storm and Marshall Shepherd, president-elect of the American Meteorological Society and the director of the atmospheric sciences program at the University of Georgia, discusses what made this storm so unusual.

Election Day 2012 is just around the corner, and many Americans will be casting their ballots on electronic voting machines. But how reliable are these devices? Michael Alvarez, professor of political science at Caltech, discusses the technologies at your polling station.

In his new book, Race-Baiter, media critic Eric Deggans says modern media outlets trade in bigotry and bias to build audience and sell advertising.

Deggans dissects media coverage of events such as Hurricane Katrina, the Trayvon Martin case and the 2012 presidential election to build an argument that Americans lack the right vocabulary for having important conversations about race, and that the echo chambers of our fractured media landscape aren't helping. The fix, he says, is a more savvy audience that demands better conversations.

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan in Washington. The war in Afghanistan has gone largely unmentioned by both presidential campaigns. When it does come up, conversations focus not so much on what happening now but withdrawal.

If timetables hold, the U.S. and NATO will hand over combat operations to Afghan forces by the end of 2014, but plans call for American troops to stay on for many years in support and counterterrorism roles.

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NEAL CONAN, HOST:

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NEAL CONAN, HOST:

Last week, after Donald Trump asked President Obama to produce more records to prove his citizenship, the president used an appearance on "The Tonight Show" to dismiss the issue with a one-liner. Host Jay Leno asked, what's this thing between you and Trump?

(SOUNDBITE OF TV SHOW, "THE TONIGHT SHOW WITH JAY LENO")

PRESIDENT BARACK OBAMA: This all dates back to when we were growing up together in Kenya.

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan in Washington. The storm stops top-of-the-ticket campaigning for a couple of days; the president plays chief of state; Romney collects cans and water for disaster relief; it's Wednesday and time for a...

PRESIDENT BARACK OBAMA: Sandy...

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?

The remnants of Hurricane Sandy continue to push north toward Canada, leaving behind flooding and destruction. Millions of people remain without electricity across more than 15 states, thousands are in shelters and it may be days before power and public transportation systems are restored.