good day to you. it is a debate that could be the decider, the final preparations happening now, in georgia, as we come on the air. that first and likely only debate between raphael warnock and herschel walker hours you a way. our team is standing by with what to watch for and why tonight could change this race. our team also live in pennsylvania, and nbc news exclusive, the republican senate candidate mehmet oz talking to us about the state of his campaign, and what he says about his strategy to blanket the air waves with ads about crime. also this hour, new details in the house investigate into the january 6th attack. why the committee, what the committee now has, from the secret service, and why the oath keepers are involved. plus, our new reporting on the newest flash point and culture wars across this country, why some republicans are now focused on, wait for it, kitty litter, as a political talking point. and why schools are at the heart of this. i m peter alexander.