Ari Shapiro

Botanist David Fairchild grew up in Kansas at the end of the 19th century. He loved plants, and he loved travel, and he found a way to combine both into a job for the U.S. Department of Agriculture.

This year, Bill and Melinda Gates are doing something a little different with their annual letter. They are answering what they call some of the "toughest questions" from their foundation's critics.

On the list: Is it fair that you have the influence you do? Why don't you give more to the United States? Why do you give your money away?

Since its inception, the Gates Foundation has given $41.3 billion in grants, including a grant to NPR.

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Se suponía que iba a ser un día perfecto.

Alex pensaba levantarse a las 6:30 a.m., alistar a sus hermanos para ir a la escuela y tomar el autobús a las 7:00 a.m. Después de clases, el muchacho de 14 años iba a jugar su primer partido de futbol americano, un evento que había esperado durante semanas.

The stock market swung dramatically up and down on Wednesday, ending about where it started the day — after record losses earlier in the week. President Trump's top economic adviser says it's important to keep the volatility in context.

"The fact is that the fundamentals for the economy are very sound," Kevin Hassett says in an interview with NPR. "Wages are going up a lot. Even in the employment report that came out last week, we saw the highest rate of wage growth in about a decade."

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

ARI SHAPIRO, HOST:

At the White House this afternoon, President Trump celebrated the final passage of Republicans' massive tax legislation. He spoke surrounded by dozens of GOP lawmakers, basking in the glow of a major legislative victory.

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