a transit worker's last-second save caught on camera at a california train station. right place, right time. wow, that was close. welcome back to "early start." i'm christine romans. >> i'm dave briggs. tuesday, november 5th. it's 5:00 a.m. in the east. this morning, we know what some of the key witnesses in the trump impeachment inquiry said behind closed doors. among the revelations, testimony that mike pompeo was silent as rudy giuliani planned to oust maria yovanovitch. the president was asked yesterday about the effort by giuliani and others to undermine yovanovitch. >> was maria yovanovitch part of a smear campaign? >> i really don't know her. if you look at the transcripts, the president of the ukraine was not a fan of hers. >> fact-check the rough transcript shows zelensky criticized the ambassador only after trump called her