What happened: Barack Obama visited the WNBA All-Stars at the Obama Presidential Center in Chicago ahead of their All-Star Weekend practice. The former president greeted players before the session got underway.

Why it matters: The WNBA becomes the first professional sports league to host an event at the Obama Presidential Center, tying the visit to a broader slate of All-Star Weekend programming in Chicago, including Kahleah Copper's meeting with Obama.

What to watch: All-Star Weekend continues in Chicago with practice sessions leading into Sunday's All-Star Game.