hard-won ground it's gained as one coronavirus variant takes hold. in the wake of the biden/putin summit, kim jong-un appears to beg for the spotlight with a cryptic new threat against the united states. we welcome our viewers here in the united states and around the world. i'm wolf blitzer. you're in "the situation room." we begin with a very disturbing new video of the u.s. capitol siege. this video contains pro fafanit it's very graphic. >> this newly-released video is showing close-up, on the ground and violent views of the pro-trump rioters. the video is being released at