12 PM ET: Biden visits Buffalo, UFOs 'are real,' Covid boosters for kids & more

We begin this afternoon's episode in Buffalo, New York, where the President and First Lady are visiting to address Saturday's racially motivated supermarket shooting. Meanwhile, Homeland Security Secretary Alejandro Mayorkas is meeting with officials to prepare for a possible surge of migrants at the southern border. We'll tell you which country is the latest to abandon its neutrality policy to try to join NATO, and we'll give you details from a hearing in DC about UFOs. Plus, there's some good news about booster shots and Covid tests in the US. To learn more about how CNN protects listener privacy, visit cnn.com/privacy