want. norah: a cbs news exclusive. the irs agent, who we learned was investigating hunter biden s possible tax crimes, speaks out in his first interview. [bells ringing] today s marks one year since the tragic school shooting at robb elementary in uvalde, texas. a gunman walked onto campus and killed two teachers and 19 children. norah: severe thunderstorms in texas bring dangerous winds, hail, and flash floods. the pacific island of guam is facing its strongest storm in 20 years. typhoon mawar is lashing the u.s. territory with dangerous winds, torrential rains, and storm surge. norah: and medical breakthrough, how new science helped a paralyzed man walk again. wedny night. this busy we began with the death of mus icon tina turner, one of the most dynamic and energetic performers ever to take the stage. turner was not only a vibrant and unstoppable force in music, she was a survivor, and an inspiration to generations of women. she died tuesday at he