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Emily: Hey guys, happy National Pi Day! All right, not only are we making pies today, we are celebrating the symbol pi that represents the number 3.14. More on that coming up. Channel One News starts right now!

Keith: Math with food. All right, sign me up for that! Emily has got pies in just a few. Hey guys, I am Keith Kocinski. Let's dig in.

First up, President Trump paid a visit to the Golden State yesterday. In fact, it is his first trip to California since becoming president.

President Trump was in San Diego to visit the border between the U.S. and Mexico and see different ideas for his long-promised wall. The president campaigned on building a wall along the U.S.-Mexican border as a way to prevent foreigners from crossing into the country illegally.

President Donald Trump: If you don’t have safety, meaning if you don’t have this kind of wall, the drugs are pouring through in California. Can’t do it.

Keith: President Trump requested $18 billion for the wall, but some estimates to build the wall are higher. Many who oppose the wall say it is a waste of money. Yesterday protestors against the wall marched, while those who support it used megaphones.

President Trump said, "You're fired" — again. This time, it is his secretary of state that got the boot.

Trump: We got along actually quite well, but we disagreed on things.

Keith: President Trump and the former businessman, Rex Tillerson, have been at odds almost from the very beginning. Tillerson didn't know he was being fired until President Trump sent out this tweet yesterday.

Rex Tillerson: I'll now return to private life, as a private citizen. As a proud American. I'm proud of the opportunity I’ve had to serve my country.

Keith: The president's choice to replace Tillerson is current CIA Director Mike Pompeo.  Pompeo comes to the White House almost every day already to personally deliver the president's intelligence briefing.

Trump: Tremendous energy, tremendous intellect. We're always on the same wavelength. The relationship has been very good, and that's what I need as secretary of state.

Keith: President Trump nominated Gina Haspel, a career CIA officer, to take over as CIA director. If confirmed, she will be the first woman to ever lead the agency.

As for Secretary of State Tillerson, he is the latest to exit the White House. Since President Trump took office, more than 20 of his senior-level staff have either quit or been fired.

And this week, President Trump got some good news from some lawmakers. Republicans in the House Intelligence Committee said they found no evidence of collusion between the Trump campaign and Russian officials, meaning no evidence that Trump associates worked with Russia to meddle in the 2016 election.

But Democrats said the investigation wasn't complete because there are still other people that need to be interviewed. And, of course, there is still an investigation in the Senate as well as the federal government's special investigation led by Robert Mueller.

Today is National Pi Day — no, not for pizza or apple pies. We are talking about pi, the number 3.14 — hence, March 14. Emily Reppert breaks it down for us in the best way possible.

Emily: What is pi, and what makes it so significant? Well, we are going to use actual pies to break it all down.  

They are going to make the old-fashioned apple pie, complete with a pi symbol cut out on top. I’m going to place pi on top of the pie.  

Here it is! My Pi Day pie is complete.

All right, guys, I am back in the studio, and now I am joined with math expert Richard Blankman, who is here to help us out with a special pi pop quiz. 

Richard Blankman: All right, pi is a number referring to what shape? 

Is it 

a. circle 

b. square 

c. trapezoid or

d. triangle 

You have 10 seconds. 

Time’s up. The answer is a, circle.    

Emily: All right, so I guess now my question is: What is pi, and why is it significant?

Blankman: The simplest way to think about it is if you have a circle, and if you divide what’s called the circumference of the circle by the diameter of it, which is the distance cutting right through the middle, you're going to get this number: about 3.14. 

Emily: And that is a constant number, right?

Blankman: That is a constant number.

Emily: Okay.

Blankman: It doesn't change no matter how big or small the circle is.

Emily: All right, well, I want you to prove it, Richard.

Blankman: I will be happy to prove it. I see you have some string and some scissors here. Let’s show what this number represents. So what I said is that if I divide the circumference — so this circumference here should be about 3.14 times the diameter, so if you have some extra pies?

Emily: I just so happen to have a few extra pies lying around.

Blankman: So let's see if this works here. If I stretch this across the diameters, you'll see it covers three pies.

Emily: Oh, wow, and just a little extra.

Blankman: And we get this little point one four about here at the end. That’s right.

Emily: Yeah. Oh, my gosh! That is so cool! Okay.

Blankman: It wasn't really until the 1700s that we started to calculate exactly what pi is and figure out as many decimal places as we possibly could and understand that it’s what’s called an irrational number, meaning it doesn’t ever end and the numbers don't have a pattern to them. 

Emily: So even though the number of digits in pi is infinite, mathematicians and computers have come up with trillions of exact digits in the formula.   

So I am going to put you on the spot. How many digits do you know? 

Blankman: Okay. Oh gosh, 3.1415926535 — and I'm stuck. I don’t even know if I got that much right.  

Emily: I like that! I am going to fact-check you on that.

Blankman: There are world records that are still being set today in terms of number of digits of pi memorized.

Emily: Okay. What is the record as of now?

Blankman: The record is about 70,000 digits of pi.

Emily: Seventy thousand!

Blankman: Seventy thousand, yes.

Emily: And they can recite it.

Blankman: They can recite it.

There are some numbers in this universe that take on extra meaning. Pi, not only does it show up in a circle but anything that moves like a circle, for example, the orbits of planets, or the orbits of electrons and atoms, are going to have a pi buried into the equations that describe how it works. Physicists care about pi, astronomers care about pi, biologists care about pi. Pi shows up in every field that you can possibly imagine somewhere. 

Emily: In 2009 the U.S. House of Representatives made March 14 National Pi Day, which is now celebrated by math lovers and educators worldwide.

I knew there was a reason that I loved Pi Day! But you know what? I still think my favorite part of Pi Day is eating actual pie. So what do you say?

Blankman: Well, I couldn't agree more. Let’s go learn some more about pie. 

Emily: All right, guys, back to you. 

Keith: Yeah, I heard Emily made the pies, so I think I’m going to pass on that. But you can check out Emily's pie-baking skills — that is up on . 

All right, when we come back, young people making their voices heard.

Keith: All right, do you ever feel like adults are just not listening to you? Well, Azia is here to show us that that is not always the case.

Azia: Yeah, Keith. So over the weekend, a new law in a city in Colorado took effect, and it all started with a group of Girl Scouts. Check it out.

These teens in Aurora, Colorado, are behind a new law in the city.

Julianna Martin: We just aren't the type of people who are giver-uppers.

Azia: What started as a Girl Scout project to create a city ordinance made it to the City Council: a proposal to make it illegal for an adult to smoke in a car if there is a child 18 or under in the same vehicle. Eight states and Puerto Rico have similar laws in place, but nothing existed in Colorado. They prepped speeches to pitch the law to the council. 

Girl Scout: The health problems that can affect minors are really bad asthma attacks.

Azia: Julianna Martin handed the ordinance proposal to the mayor.

Mayor Steve Hogan: Well, normally, what we do is say, “Please give these to the city clerk.”

Julianna: Now I've learned that it just takes a little bit of courage and knowledge and perseverance.

Azia: It definitely took perseverance. Some councilmembers thought the proposal was unrealistic. And the vote was close — actually a tie — until the mayor cast the deciding vote for the law. Amelia Malchow wasn't surprised that they won. 

Amelia Malchow: We're all strong women. And we're a good group, and we know each other really well.

Azia: The new law is now in effect, and the teens each scored a Silver Star for the achievement, the highest Girl Scout honor for their age group. They also earned a good lesson: Age is just a number.

Amelia: I feel like sometimes we're looked down upon because we're just kids and we don't know anything, but we do.

Julianna: Not to be rude to our parents, but I think we accomplished more at our age than they did in like their first 20 years.

Azia: Azia Celestino, Channel One News.

Keith: All right, props to those girls for getting that ordinance in place, which brings us to Words in the News: ordinance, a rule, law or regulation passed by your local city or town.

All right, that is going to do it for us today, but we will be right back here tomorrow. Peace out, Girl Scout.

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