what she told the jury about stormy daniels and karen mcdougal. two women who claim to have had affairs with the former president. ,. the former president. >>> the major shift for president biden now saying he's happy to debate donald trump. how mr. trump is responding. >>> the massive inferno. a train carrying gasoline and propane derailing in new mexico. >>> the new crackdown as pro-palestinian demonstrations spread on campuses, and after usc canceled its main commencement, will others follow? >>> our nbc news investigation, our crews in gaza documenting several deadly strikes in zones where israel told displaced civilians they'd be safe. >>> the promising news in king charles' battle with cancer and when he plans to return to his royal duties. >>> and after falling on hard times, the town that was saved by beer. >> announcer: this is "nbc nightly news" with lester holt. >>> good evening, and welcome. we are tracking a damaging tornado outbreak, that rampage across the center of the country. texas, oklahoma, nebraska among the states in the line