it s the top of the hour on cnn news room. it s good to have you. i m victor blackwell. president biden just upkdated congress on what his administration sees as the biggest national security threat facing the country. in his new national security strategy, vladimir putin s invasion of ukraine is not the top political challenge according to biden. that distinction goes to china. russia was however at the heart of a key global meeting. there was a meeting with 50 other defense ministers on how to boost ukraine s air defense systems. ukraine is facing a third day of intensified air assault from russia which was condemned by the defense ministers for continuing to target civilian facilities. cnn s kaitlan collins is at the white house. kaitlan, you re up first. let s begin with the president and his just released national security strategy. why is china above russia here? reporter: yeah, it might surprise some people given of course, russia s ongoing invasion of ukraine, but b