9 AM ET: Brittney Griner home, Sinema goes independent, Idaho police inundated & more

Basketball star Brittney Griner is back on US soil after she was released from Russian detention. Senator Kyrsten Sinema is leaving the Democratic party - CNN has an exclusive interview. Idaho police say they've received an overwhelming number of tips in connection to the killings of four college students. The UK, Japan and Italy are teaming up to build new fighter jets. Plus, people are still moving to parts of the US at risk of climate disasters.To learn more about how CNN protects listener privacy, visit cnn.com/privacy