challenge that could change the internet forever. and alex murdaugh s son takes the stand testifying for the defense in his father s double murder trial. that is what we are watching this hour. thank you for being here, everybody. i m kate bolduan. president biden is preparing for a huge moment, and he is in poland and about to deliver a major speech to mark the one-year anniversary of russia s unprovoked war in ukraine. where biden was yesterday making surprise trip to kyiv where he pledged support for ukraine really no matter how long it takes. biden s speech comes today after vladimir putin himself made his own major address from moscow. and putin is staying true to form and accusing the west of igniting the conflict and condemned the west and nato allies for supplying weapons to ukraine and announced that russia is going to suspend their participation with the s.t.a.r.t. treaty with the u.s. now, we will start with the big moment with kaitlan collins where the preside