As Juneteenth is celebrated across the US, Obama's presidential center opens in Chicago

As people gathered across the U.S. to celebrate Juneteenth on Friday, former President Barack Obama and former first lady Michelle Obama welcomed the first visitors to his presidential center.

Located on a sprawling campus on Chicago's South Side, the center honoring the nation's first Black president has been designed to inspire people to make the change they want to see in their own communities. It's the kind of contemplation that also comes as Americans gather for Juneteenth, which celebrates the end of slavery in the US...