A federal judge blocks more than a dozen Biden administration officials from communicating with social media companies. Our panel discusses what’s behind that decision and why Republicans are cheering. Plus, the Secret Service is investigating after suspected cocaine was found at the White House. What CNN is learning about the powder found in the West Wing. And, Mark Zuckerberg takes aim at Elon Musk's Twitter with Meta’s new “Threads” app. Also this morning: The suspect behind Monday's mass shooting that left five people dead in Philadelphia will be arraigned on multiple counts of murder today, and US Treasury Secretary Yellen leaves for China as part of an ongoing mission to smooth tensions between the two super-powers.To learn more about how CNN protects listener privacy, visit cnn.com/privacy