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Democrats have become accustomed to having the best speech at their quadrennial convention given by someone named Obama. This year, that person might also be named Michelle.

Hers was not the keynote, nor the most anticipated, nor the longest speech of the night. But it mesmerized and subdued the raucous and rebellious crowd, focusing the enormous energy of the Wells Fargo Arena just where convention organizers had hoped — on Hillary Clinton.

A new White House report on student loan debt reveals that how people repay student loans has changed dramatically in a short time.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Several times a month, Jessica Wen, a pediatrician specializing in liver diseases, has a teenager show up at her clinic at the Children's Hospital of Philadelphia with an unexpected diagnosis: hepatitis C.

Hepatitis C virus, or HCV, is the most common bloodborne infection in the U.S. and a leading cause of liver failure and cancer. Injection drug use is a common risk factor, as is receiving a blood transfusion before 1992. But some of the teens Wen sees picked up the illness another way: at birth, from their mothers.

When you start packing for a reporting trip to Russia, you get a lot of advice.

Take a clean phone, advised my journalist friends in Moscow. Take a clean laptop. That means one that's been wiped and re-imaged and from which I've never logged on with my usual user accounts and passwords. The reason? Russian intelligence will be monitoring you from the moment you land, they said.

"Really?" I replied. "You think they'll be that interested in a random American reporter flying in?"

Mesa Verde National Park in southwest Colorado may be known for its iconic cliff dwellings, but archaeological artifacts left by the Ancestral Pueblo are all over. Rocky remnants of homes and farming sites are scattered throughout the dense pinyon juniper forest.

Wood attracts fire though.

It's been about a month since Amjad Sabri's voice was silenced. He was shot dead in his home city of Karachi by two men on a motorcycle, and his millions of fans are still in shock and anger.

For Michelle Obama, this election is about the kids. On the opening night of the Democratic National Convention, the first lady wove her vision for the next generation with her hope for the next president.

"This election, and every election, is about who will have the power to shape our children for the next four or eight years of their lives," she said, adding that Hillary Clinton is the only candidate "who I trust with that responsibility."

Thank you so much. You know, it's hard to believe that it has been eight years since I first came to this convention to talk with you about why I thought my husband should be President. Remember how I told you about his character and conviction, his decency and his grace — the traits that we've seen every day that he's served our country in the White House.

From the get-go, Michelle Obama was the reluctant political spouse.

She was apparently "not thrilled from the very beginning about Barack Obama's political career," going back to when he was an Illinois state senator, according to Peter Slevin, the author of a biography about Michelle Obama.

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