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For decades, many presidential candidates campaigning in Iowa have made sure to offer their loud support for ethanol — the fuel made from corn.

Ethanol is an important industry in Iowa. The state is the top producer of ethanol in the nation, accounting for 28 percent of national production, according to the U.S. Energy Information Administration.

But this election cycle, ethanol is not the campaign force it once was.

Take the contrast between George W. Bush's 2000 presidential campaign and the current campaign of his brother, Jeb Bush.

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NEAL CONAN, HOST:

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NEAL CONAN, HOST:

And so it's time to say goodbye. As you probably know, this, after 21 years, is the final broadcast of TALK OF THE NATION, and after 36 years, my last day at NPR.

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Transcript

NEAL CONAN, HOST:

Making The Perfect Exit

Mar 20, 2009

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

MADELEINE BRAND, host:

We called up two more people to talk a little bit about endings. First, Curtis Sittenfeld. She wrote the novel "American Wife." And get this. Our show, Day to Day, pops up on page 490.

(Soundbite of interview)

Pages