For the first time, the public is getting a look inside the long-awaited Obama Presidential Center ahead of its Juneteenth opening on Chicago's South Side. The sprawling, 19.3-acre, $850 million campus blends museum exhibits chronicling former President Barack Obama's political rise and presidency with contemporary art, public gathering spaces, athletic facilities and a branch of the Chicago Public Library. The center is also poised to redefine the scale of the modern presidential project,