click, call or visit a store today. welcome back to "cnn newsroom." i'm rosemary church. if you are just joining us, let me bring you up to date on our top stories this hour. three people are dead and eight others injured in america's deadliest school shooting of the year. authorities say the 15-year-old suspect is in custody under suicide watch, and we will continue to bring you the latest as the story unfolds. meanwhile, u.s. health officials are considering new requirements for all travelers to help detect omicron variant cases. the variant is now confirmed in