consistent from the beginning. deny everything. dmitry peskov is putin's press secretary. >> but i can assure you that the allegations in those -- in this funny paper, this so-called report, they are untrue and they are all fake. >> reporter: fake may have been the word for it in moscow, but in washington, the dossier and some of its allegations were starting to bear out under scrutiny. thus began an unprecedented national security scandal that threatened to end a presidency as it was just beginning. hey, man. oh! nice man cave! nacho? [ train whistle blows ] what?! -stop it! -mm-hmm. we've been saving a lot of money ever since we switched to progressive. this bar is legit.