Heidi Glenn

In a new book, The Complacent Class, economist Tyler Cowen argues that the United States is standing still.

People have grown more risk averse and are reluctant to switch jobs or move to another state, he says, and the desire to innovate — to grow and change — has gone away.

In an interview with NPR's Rachel Martin, Cowen says he's worried that more and more communities are self-segregating — by income, education or race.

Where do you draw the line between inspiration and straight-up imitation when it comes to food?

A few years ago, we brought you the story of Caitlin Freeman, a pastry chef baking innovative, art-inspired cakes at the San Francisco Museum of Modern Art. Using modern art as her muse, Freeman translated what she saw in the museum into edible form at the SFMOMA's upstairs café.

When Robin Bunevich and her boyfriend, Alex Rivas, decided to buy a place together, they knew they wanted to live in their favorite neighborhood, Astoria, Queens. They found the perfect two-bedroom, two-bath apartment last year. The purchase was a big, exciting step for the couple, who had previously been renting a place together. And just as they were getting ready to start the new chapter together, the process also had them thinking about what would happen if they broke up.

The Vatican may still announce a new pope with a smoke signal, but when it comes to connecting with his flock, Pope Francis is just a click away.

He's called the Internet a "gift from God," participated in Google Hangouts and fully embraced Twitter where every few days he broadcasts messages of mercy and forgiveness in 140 characters or less.

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