really a fascinating conversation with the author, steven johnson. you won't want to miss it. noise financial noise big day? ah, the usual. moved some new cars. hauled a bunch of steel. kept the supermarket shelves stocked. made sure everyone got their latest gadgets. what's up for the next shift? ah, nothing much. just keeping the lights on. (laugh) nice. doing the big things that move an economy. see you tomorrow, mac. see you tomorrow, sam. just another day at norfolk southern. >>> you flip a switch and you get light. you turn the kitchen faucet on, you get clean water. you open your fridge, you're greeted by a blast of cold air. these are the things that most of us take for granted and most of us can't a time when they didn't happen. but they were extraordinary developments of the time and they took extraordinary innovation to achieve. these innovations, and more, are all chronicled by the author steven johnson in his new book and companion pbs series, both titled "how we got to now." we sat down earlier this week and i began by asking him about the light bulb, which we he

the host is a popular science writer, author and theorist, steven johnson. clip from an episode about what air conditioning set into motion after willis carrier designed the first modern system. >> in 1951, carrier's company introduces an air conditioning unit that is miniaturized and affordable for a mass market. and that's when ac starts to go creepy. and just see what this does to where people are living. tucson, arizona grows 400% in 10 years. phoenix, 300%. it's the same story everywhere you look. carrier convention is circulating people as well as air. changing lives, changing america. but then something even more interesting happens. you see, people moving to the hot states are older and tend to vote republican. and the growing population in the conservative south means more electoral college votes there. so check out what happens to the political map of america between 1940 andbç 1980, northern states lose an incredible 31 electoral college votes while southern states gain 29. >> ifill: hari sreenivasan sat down with johnson recently in our new york

battle ship new jersey yesterday and navy recruiting district philadelphia commanding officer steven johnson was relieved yesterday by commander michael thomas. thomas's parents were there to put on command ashore pin. >> still ahead "action news" saturday morning some of the world's biggest singing super stars get together to recreate a 60s hit all for charity. >> plus special equipment is needed for a record breaking polish dish. look at that. meteorologist chris sowers will have the exclusive accuweather 7-day forecast. "action news" saturday morning 7-day forecast. "action news" saturday morning continues in a >> pittsburgh casino gambled on making worl's largest perogie and won the chef at rivers casino med cheddar cheese and potato filled dumping in effort to set record for worl's large eingts perogie. dumpling had to weigh 110 pounds. it tipped scales 123 pounds. after weigh in perogie was cut up and served. people that ate it probably did not want to do a weigh in after that. >> eating perogies for weeks. >> i'm not a big perogie guy. >> i would rather have mashed potatoes that's me.

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steven johnson, thanks. congratulations. it looks terrific.ut the afternoon mojoe section of our website. you'll see many exclusive green room discussions including our conversation with a man who started the global citizen award and this year's recipient. >> it involves all the members who are part of global poverty. i think there's something like 350,000 members. i think most of them have been given a chance to vote. it's a democratic process. looking for someone doing something innovative, doing something right where there's a basic dire need. i came up with the idea of the award together with the founder of the project and we wanted to do something that really supports someone who's doing it hard at the grassroots level. >> what inner drive do you have? i mean, you could be making, you know, 2, 3, 4 multiples of millions of dollars here in the united states. what drives you to this? >> it's really just about i'm a human. you see something and you empathize with it, how can you not act? right? that's what i really want to encourage. i'm not

steven mcdonald i represent the appellant george. >> okay. so that's your position we'll hear from the gentleman. >> is that the gentleman's attorney so we'll hear from mr. johnson. >> good evening, commissioners foster johnson for at&t at&t didn't have any objection to hearing this appeal this evening or continuing to a later date, however, i have a request when i'll explain one of the issues that was raised on the briefing the only evidence that the gentleman offered in jurisdiction request is hearsay the government codes specifically says the administrative bodies can't basis their evidence on hearsay it appears that is what the board did my request give the board to give a reason other than the record why the board thinks the rule didn't appeal or at&t is incorrect about the law i ask this because this case that will be appealed and it's only fair to the trial judge which the reasons why you think you can take this decision and it's important that the judge know that it's also a requirement from the california supreme court that our findings reach the analytic gap between the evidence and the ruling i simply request that the board give some reason on the rec

leaders for this effort steven beck natural fund, the big one made this charlotte and george schultz and susan i didn't bechtel and her husband robert a day (clapping) charles and ann johnsoning) the san francisco public utilities commission (clapping) and deedee wellscy (clapping) i am pleased and honored to welcome one of the co-chairs of our veterans steering committee and the honory chair of fleet week the honorable george p schultz (clapping.) first of all, mike read off a lot of people to get recognized but, you know who the driving force is michael so

johnson. let's get to the morning must-read. >> a fellow economist, i would like you to comment on, steven wieting, and these numbers are stunningending government was 49.8% of gdp in 2013 yet output is lower now than it was at the end of 2011. ynesians call this a liquidity trap -- in reality it is a big government trap. keynesian experiment is failing once again. ease andlow some budget positions, we do something and then you go onto a decade like grace had where you just -- like greece had where you just spend widely. what happened to inflation and depressed economies? there has to be a balance between short run and long-run. you can take a look at american history, all of the periods where government spending expanded, gdp was at its strongest often it'd crowd out private investment and when the government spending came back, gdp slowed every time. short run performance of the economy is very clear, performs ynesian.s keen th but you cannot build up an economy where government spend ing crowd out everything else. i would be careful about consolidation at a time when you have weak economies and fragile recoveries. i think tha

johnson encouraged southern states to reject the amendment. as the amendment went through the senate the senate struck out a clause that was deer to thaddaeus stevens disenfranchising rebel officers and replaced it with one barring them from holding office and at that point stevens committed himself to making sure whatever else they did they left with the war intact. this explains stevens' strange, angry, but rueful acceptance of the 14th amendment that didn't do any of the things he wanted it to do. he wanted an amendment that empowered african-americans and disempowered rebels. he got an amendment that didn't do either. when asked why he would accept so imperfect a proposition he answered because i live among men and not angels. while that is a great line i think it is much clearer the reason he accepted it is because he understood he had eviscerated the key question of the 14th amendment of would it end the war. in may his partner, strange partner, moderate, conservative fessendon wrote you need feel no alarm about congress. we will stand firm until the end. congress extended the war over and over again in a revived freedmens bureau bill, when c