norah. >> o'donnell: nikole killion, thank you. the overwhelming majority of scientists in the world agree there is a looming climate crisis. the rising temperature of the globe has been linked to more frequent severe storms. and that's why bill gates is now determined to get the world to take revolutionary change to save our warming planet. his new book is called "how to avoid a climate disaster," and we spoke with him earlier about just how big the challenge is. >> most things we do physically involve emitting greenhouse gases, and so the scale of the change-- it's bigger than anything humanity has done to date. >> o'donnell: you write in the book, "the loss of life and economic misery caused by this pandemic are on par with what will happen regularly if we do not eliminate the world's carbon emissions." you mean 500,000 americans dead regularly if we don't deal with this climate disaster? >> that's right. you know, the death toll would be even worse near the equator, and the unrest, and it would be global in nature. and, sadly,

nikole killion spoke to some of her childhood friends about how her formative years shaped her into the woman she is today. >> this neighborhood was full of kids ire ire carol porter and kamala harris mets a two pig-tailed girls at this bus stop and their lives have intersected ever since. >> kamala and maya lived upstairs. >> reporter: carol, cam a lap and her sister maya lived here. >> the daycare center took car of all the kids in the neighborhood. she was a really warm loving person >> reporter: a lot of good memories there. >> yeah, definitely >> reporter: and memories at thousand oaks elementary. >> we pulled up on the school buses >> reporter: where they were first bussed. >> she really had an opportunity to see what other people lived like that were different from her. >> even back then she knew right from wrong >> reporter: stacy johnson baptiste was in her class the year before. >> there was a boy who had taken one of my art projects and she got in between me and even at age five she was protective and would stand up to a bully >> reporter: solidifying their friendship. >> tha

.>> nikole killion spoke with some of harris's childhood friends about how those formative years heren california shaped her into the trailblazer she is today.>> this neighborhood was full of kids.>> reporter: carol porter and kamala harris met as to pigtail girls at the bus stop on this corner in their lives have intercepted ever since. below harris's childhood home, mrs. regina shelton. >> we will get back to that nth, she used to bibles, one belonged to thurgood marshall and the other was from her beloved babysitter regina shelton who she described as a second mother. and speaking of trailblazers, a major milestone this weekend as the boy scout celebrate the organizations first class of female eagle scouts. >> nearly a dozen girls and young women are being honored, it is a rank that was held by astronauts, admirals and u.s. senators. now it is not limited by gender. girls were accepted as cub scouts back in 2018. they were allowed in the flagship scanning program the following year. and we spoke with one of the scouts right here in the bay area.>> i did not think it would be possib

nikole killion is on capitol hill with more on the story. the power of that video evidence is so undeniable. what's going on, what was going on in the chamber as it was shown? once you've seen it, you cannot unsee it. >> reporter: that's right. the mood was tense. most senators were focused and attentive. some were visibly angry. others at the edge of their seat. a capitol police officer in the gallery above had tears in his eyes as some of the most brutal footage played out. on the trial's opening day, senators heard and saw for the first time how close they came to danger. >> i'm angry. i'm disturbed. i'm sad. >> it was gut-wrenching. the bravery of our police officers is incredible. >> reporter: majority leader chuck schumer was among those shown in newly released capitol security footage being whisked away by his security detail. in another video, senator mitt romney runs after being directed to turn around by officer eugene goodman. the same officer who single handedly diverted the mob from the senate chamber. >> i was very fortunate th

nikole killion is on capitol hill for us. good morning to you, this affects millions of people. >> reporter: it does, tony and democrats plan to pass the president's plan through a budget process called reconciliation. that allows democrats to pass a big package in the senate with a simple majority but the tradeoff is that the bill can only involve taxing and spending. the non-partisan senate parliamentarian elizabeth mcd mcdonough said the provision doesn't -- that is the relief plan they are voting on today, it includes more stimulus checks for $1,400 and unemployment benefits will go up by $400 a week. there is also funding for reopening schools, rental and food assistance, vaccine distribution and aid for state and local governments. now, this is unlikely to garner much republican support. but if it does clear both chambers, democrats hope to get it to the president's desk by mid-march. anthony? >> nikole killion at the capitol, thanks. >>> the president travels to texas this morning to see how millions are recovering fro

nikole killion is on capitol hill. last time the ex-president's lawyers spoke to the senate on tuesday, it was not well received at all. so what do you expect today? >> reporter: well, the president's legal team will argue that this trial is unconstitutional and denies him due process. they described that meeting with republican senators as friendly, even though technically those same senators are supposed to be impartial jurors. last night three of the trial's jurors, senators ted cruz, lindsey graham, and mike lee, met with former president trump's legal team to talk strategy. >> we were discussing their strategy for tomorrow. we were sharing our thoughts in terms of where the argument was and where it should go. >> reporter: when asked if he was comfortable with the team's legal strategy, cruz said the end result of the trial is already clear -- mr. trump will be acquitted. but other senators are keeping an open mind. >> you don't make a decision as a juror until you have both sides, period, end of story. >> reporte

nikole killion is on capitol hill. le, good morning, the trial is expected to last several days. shorter than most of these. how is it likely to play out? >> reporter: well, tony, today will mostly be procedural with a debate on the constitutionality of the trial. if a majority votes to move forward then formal arguments will begin tomorrow. >> is donald trump guilty of inciting a violent mob against the united states? >> reporter: it is the central question facing senators as they take socially distanced seats in the same chamber where they were evacuated one month ago, as rioters stormed the capitol. house impeachment managers who have been meeting daily plan to use video evidence and the former president's own words against him. calling his actions in a pretrial brief monday the most grievous constitutional crime ever committed by a president. >> not only did he light the fire, which we know he did, he poured gasoline on the fire. >> reporter: congressman hakeem jeffries, impeachment manager in mr. trump's first tria

nikole killion spoke with current and former members about the group's crucial role in shaping issuescus has become a powerful legislation on capitol hill pushining presidentnts to stand for humuman righthts att home a abroad. >> we'e're here not to disiscus transportation b but t to discu education.n. ♪ >>>> reporter:r: in 197171, wi over a dozen african-american lawmakers serving in congress, the congressional black caucus was formed to help amplify their voice in an institution that wasn't always welcoming. >> being i in the housese of represenentatives t the black v wasn't expected and wasn't wanted. >> reporter: at 90 y years olds charles rangngel is one of the last founding founders of the group. you actutually camee up withh t name congressisional blalack ca. >> yes, the name. we all had a common mission and common cause for the rights and equality of americans. >> reporter: rarangel, shirley chisholm and charles diggs and other members quickly met resistance when former president nixon refused to meet with them. >> it's offending to us. >> when it was abundantly clear he did n