12 PM ET: Uvalde shooting response, NK preparing for nuclear test, Davos update & more

This afternoon, we start with the shooting at Robb Elementary in Uvalde, Texas - and the response from survivors and relatives of those killed in other mass shootings. Meanwhile, North Korea appears to be preparing for a nuclear weapon test, the US’s largest reservoir is at a record low, and UK Prime Minister Boris Johnson responds to a report on “Partygate.” Lastly, an update from Davos, where Ukraine is on everyone’s mind. To learn more about how CNN protects listener privacy, visit cnn.com/privacy