Donald Trump’s former chief of staff Mark Meadows has been subpoenaed by the special counsel investigating the January 6, 2021 insurrection, a source has told CNN. And, former United Nations Ambassador Nikki Haley kicked off her 2024 presidential campaign in a rally in Charleston. She called for “mandatory mental competency tests for politicians over 75 years old,” which would include Biden and Trump. What is the White House saying in response?To learn more about how CNN protects listener privacy, visit cnn.com/privacy