warning congress that failing to pass more ukraine aid would be, quote, the greatest christmas gift for vladimir putin. but house speaker mike johnson saying no new money for ukraine unless democrats agree to tackle tougher border policies. is there any path forward? our team in washington and moscow tonight. also this evening, new divisions between the u.s. and israel. president biden warning israel is losing international support because of the, quote, indiscriminate bombings of gaza. and the new reporting on israel flooding hamas tunnels. after the backlash to her testimony about antisemitism, why harvard s board says it s supporting the school s embattled president. the nightmare flight. a delta plane diverted to remote canada. 270 passengers on board for more than 20 hours. how did it happen? as u.s. and china tensions rise, our rare look inside, and how america is fighting the growing space arms race. our nbc news on hidden junk fees at car dealerships. the