kccu

Robert Siegel

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

ROBERT SIEGEL, HOST:

Earlier this year, the Republican National Committee marked Abraham Lincoln's birthday by sharing a charming, if banal, aphorism attributed to Lincoln: "In the end, it's not the years in your life that count. It's the life in your years."

Ever wonder what it would be like to live in a laboratory? People in Pittsburgh could tell you it's not so bad. They've been sharing city streets with Uber's experimental self-driving cars since last September. Six months in, no one has been hurt and there have been no major accidents. Plus, the project is bringing in investments and boosting the city's reputation as a tech hub.

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

AUDIE CORNISH, HOST:

An estimated 11 million immigrants live and work in the United States illegally. Their fate is one of the big policy questions facing the country. The story of how that population grew so large is a long one that's mostly about Mexico, and full of unintended consequences.

Prior to the 1920s, the U.S. had few restrictions on immigration, save for a few notable exclusions.

"Basically, people could show up," says Jeffrey Passel, of the Pew Research Center.

For workers in Mexico, crossing into the U.S. made a lot of economic sense, then and now.

Pages