>> my role model was my dad, which is what i related to when it came to petra.instruct me about her was her passion for her subject and her enthusiasm. i don't remember at the aim of 18 being that -- aim of 18 being that clear about what i wanted to do this science. it was inspiring. >> what i can relate to is not just the passion about the science, but the aryanism, she -- organism, she seemed to love the birds. that was me at that age. i can relate to being passionate about a creature and using it as aol. >> i love the way she was fascinated by the animal. i was fascinated by the way she used robotic knowledge to enhance her research, it's a work. >> and an example of where science research is going. it's so cross-disciplinary, being an expert in one is not enough any more. it's great to see someone starting at stanford. he she has that handle. >> for viewers, young women waiting to get into science or mentors, what advice do you have? >> don't think because you are not at university, that you can't get in there and participate. ask your science teachers that

apperson is petra dewitt. she is the author of degrees of allegiance. she earned her doctorate in history from the university of missouri and teaches that missouri university of science and technology. hers is a timely topic. states enteredd that world conflict, what did it take to prove you were a true american? how do you protect your native language, culture, ministry when it comes under government sanctioned attack. how could members of missouri's largest ethnic community have 1917 loyalty questioned in only a few generations after their ancestors fought against slavery in the civil war? she has explored all of these questions and more and will discuss the problems of the home .ront when america goes to war please welcome to the kansas city public library petra dewitt . [applause] >> thank you very much. i am so honored that you have invited the. this is the largest audience i have had so far. it shows me there is interest here in kansas city about history. little did i think i would come back. 14 years ago, i went back to the world war i museum to

. >> coming up next, petra dewitt talks about the missouri home front during world war i. state at the time and they were often scrutinized for being german. this is not just because of federal doctrines. local authorities and judgesuals were harsher of patriotism. the kansas city public lie rate -- public library hosted this event. >> welcome. my name is eli paul and i judges of patriotism. the kansas city public lir

i have got some numbers for you from petra diamonds.y just found a 122 carat blue diamond which they $120 million. of that overall four-year sales up 20% and revenue is $471 million. ebitdas up 47% on an level. where is production going? it was up 17% and they managed to get out of the minds more than 3 million carats but that will increase by 3% for next year. 5 million carats by 2019. we're going to be talking all things carats, diamonds, all things playing. we will speak to the chief executive of paetra diamonds. carats, 27 million. some people think that was not a lot of money for that diamond. why did he not get more money? morehave my eyes on the carat-heavy white diamond that we recently found but that did not sell from your -- nearly as much. it is all about the blue, the different colors. interestingly, who wears the most expensive diamond is our british queen. ,he biggest certified diamond 3106 carats found in the same minus the blue diamond and it was found in 1905 and it is in the crown jewels. do follow us. comijnng up, ano

i know she can't run with three kids. >> i handed her petra. i wouldn't be able to carry all of them. >> they told us one by one. i took my last breath because i said i don't know. no, not today. >> she just knew it was her opportunity to go, so she ran. >> almost the entire time, my mind was on getting out. and when i would get out and what would happen when i got out. and what i would do the rest of the day, and i kept thinking, how am i supposed to drive home? my nerves are completely shot. there's no way i'm egong to be able to drive home. it was wonderful. we know it was a miracle. >> there was just four of us. everybody is close to each other. we all come from different communiti communities. everyone was caring about the other. >> having been forced to the back of the supermarket by the tear gas, the gunmen were now just feet away from maggy and her baby. >> i was thinking i've got to slow my breath down because this baby is going to pick up on the extreme fear i'm feeling right now. i was almost just counting the seconds, every single s

. >> petra kept crying, she would really scream when the shooting just started. she would scream and scream. i had brought one bottle of milk with me and i gave it to her and she drank it and went to sleep. i realized that i definitely as being an american, being a christian, that it was much more dangerous probably for me. you know, i was a prime target. as they shot, you could hear the sound of the bullet hit someone, the sound of bullet going into flesh is like nothing you have ever heard. >> it feels like somebody is being thumped, you know? and they just drop. ♪ who's going to do it? who's going to make it happen? discover a new energy source. turn ocean waves into power. design cars that capture their emissions. build bridges that fix themselves. get more clean water to everyone. who's going to take the leap? who's going to write the code? who's going to do it? engineers. that's who. that's what i want to do. be an engineer. ♪ [ male announcer ] join the scientists and engineers of exxonmobil in inspiring america's future engineers. energy lives here. ♪ ♪ i

petra, my mother is in arizona. saw the same thing yesterday. this massive flash flood that came, i guess, late at night. >> yeah. >> because by morning time, everyone's trying to get to work and the highways were completely flooded like what we saw in nevada. >> it happened between 2:00 in the morning and 9:00 a.m. local time. the amount of rainfall that came down, really impressive. you take in the monsoons that typically happen in the summer season, and then you take in tropical storm nor bert that was crossing northern mexico, and all the moisture in 12 hours, some four inches of rainfall across the valley of the sun. you take this, because the months of july, august, and september, the wettest months of the year for phoenix, because of the monsoons. but what happened here on monday morning is equivalent to those three months of rainfall combined. you have to go back 119 years of data and you would still not find a day that was as wet as monday morning in phoenix. up wards of six inches in six hours. and phoenix, again, in the early morning

. >> i don't mean to be shallow but did you see petra nameco vh a is coming. >> yes,. >> what is thee and where witt i will be. >> nineteenth to the the between the second at the convention center but concert, which is opened for everyone is free, if they do go. >> yes. >> if you need a ticket go to global citizens.org. you take actions like tweet for good things and take social actions and you get points and then you get ticket. >> i will tweet today so i can go to the concert. >> congratulations and thanks for bringing it to philadelphia. >> yes. >> still ahead did you get that flu shot yet? it turns out children are not the most prone to getting sick, we will tell you who is at the highest risk, next but first this. >> we talking about practice, man, what are we talking about, practice? we talking about practice, man. we talking about practice. >> not a game, in the a game, we are talking about practice. who could forget that. allen iverson's famous rant is getting more play right now, little imitation getting big getting more play right now, little imitation getting big attention