want toover and said, i dance with you in the worst way, and later that evening, she told her cousin, elizabeth grimsley that she presidents" historiansr in the worst way. she and lincoln laughed about that forever. that was one of their private jokes. >> >> what significance does this have? >> this is where lincoln would .ave practiced law he was in the legislature here in this building. mary came into the building two very important times for me. they were at a cotillion and they were dancing. he made the mistake of saying she glided around the dance floor like a serpent. was a very biblical person so the phrase's serpent had a whole different connotation to her, and she was very put off right back, so she never had any interest in him whatsoever after that moment. but lincoln really came to admire her. and then he was a wonderful researcher. lincoln loved herndon because lincoln was so thorough in his research when they would do trial cases. >> now, what does mary not liking herndon, does that cause any friction amongst the law practice here? >> it did not cause any friction betwee

kristen welker toovering a wild day on capil hill. >> reporter: michael cohen on capitol hill, kicksg off three d of potentially blockbuster testimony. today grilled behind these closed doors after pleading guilty to lying to the same senate committee when 8 he testifiednths ago. >> do you expect him to tell the truth this time? >> no. >> what i intend to keep focused on is untangling the very l omplicated financ arrangements between donald trump and russia. >> reporter: a source with knowledge of his testimony says cohen e his week will detail whatys is criminal conduct by ffhe president since he tooke, as well as allegations of what the source calls the president's lies, rasm, and cheating as a private businessman. cohen is also set to scuss mr. trump's financial statements, as well as those hush money payments during the campaign. in a scathing ss statement, p secretary sarah sanders said it's laughable that anyone ctwould take a convi liar like cohen at his word, echoing president trump's frequent attacks. >> very , michael cohen is lying and he is ying to get a reduced sentence f

republicans is if they win and the courts establish a precedent giving the president this kind of power tooveride congress and take -- >> nancy pelosi did say something. you raised the point. she says what happens if we get a democrat, a progressive activist president who says we got a second amendment but i'm going to declare a national emergency, we're going to start pick ugup the guns and start getting really aggressive on gun safety? real a aggressive? >> president obama's speech writer says i look forward to the day when the progressive president declare as climate emergency, a gun epidemic emergency, you could list the issues, health care emergency. this gets to the point of precedent >> turn up your air conditioning at sun up. i can see a lot of grand green ideas but they're going to be challenged. >> there are lawyers concerned about this and quick in sending this message to the white house. >> let's talk about the politics, left, right, the whole thing. democrats had the biggest land slide i believe in off year midterm lections ever. they got to use it. >> and you've already seen demo

i'm ready to vote for whomoeverk toover who isn't maduro, for real.beautiful revolution is over. >> reporter: he feels like venezuela is on the cusp of a new moment, but onrst the quess if this current limbo can be overcome. judy? >> woodruff: and so nadja, we know for a long time there have teen uprisings in venezuela tha made people think it was going to topple the maduro government, and for years people have thought that, you know, this crisis was going to get worse before it got better. does now feel like truly a different moment? >> you know, judy, it does feel like a different moment, although i hez -- hesitate to say that, because i feel that way every time i come to venezuela. it is constantly remarkable how much venezuelans can survive the crisis and keep on sustaining in what is a really impossible situation. elt a lot of venezuelans fe that now there is a lot of international attention on venezuela, far more so tha before, and this government's bered.re num >> woodruff: so nadja, we know the issue of getting humanitarian aid ine country is