hello, welcome to our viewers here in the united states and around the world. i m john vause. you re watching cnn newsroom. and just ahead, the white house walks back joe biden s promise the u.s. would intervene militarily if china attacks taiwan, causing confusion and concern ahead of a summit between the u.s., japan, australia, and india. revenge fantasy. of all the primary races across the u.s., it s the state of georgia where donald trump wants a win for his endorsed candidates. and a love triangle turns into tragedy. an elite cyclist is dead and u.s. marshals now looking for the woman accused of murdering her. live from cnn center, this is cnn newsroom with john vause. right now, the second in-person summit of the quad this year is under way in tokyo. leaders of this informal alliance between the u.s., japan, australia, and india, will soon head into a working lunch and then one-on-one meetings after that. just a day earlier, the u.s. president launched a new