CARL AZUZ, CNN 10 ANCHOR:  With two weeks left in our current season, we`re happy to have you watching CNN 10.
As  we previewed Friday, President Donald Trump is taking his first  international trip as U.S. leader.  He arrived in the Middle East on 
Saturday and in contrast to the controversies and questions he`s facing  in the U.S., President Trump received a royal welcome in Saudi Arabia,  and it 
wasn`t just because he was greeted by the nation`s  king, Salman bin Abdulaziz al Saud.  Red carpet, brass bands, American  flags, billboard with 
the two leaders` faces, images of pomp and respect were all over Riyadh, Saudi Arabia`s capital. 
President Trump and King Salman announced hundreds of billions of dollars in arms deals, oil and gas deals, business deals.  
Yesterday,  the president gave a speech attended by 50 leaders of Muslim majority  countries.  And though he`s made controversial statements in the 
past concerning Islam, President Trump`s speech yesterday was more  conciliatory, focused on the common goals of, quote, stamping out  extremism 
and providing children a hopeful future that does honor to God.
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DONALD  TRUMP, PRESIDENT OF THE UNITED STATES:  It`s a choice between two  futures and it is a choice America cannot make for you.  A better future  is 
only possible if your nations drive out the terrorists and  drive out the extremists.  Drive them out.  Drive them out of your  places of worship, 
drive them out of your communities, drive them out of your holy land and drive them out of this Earth.
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SUBTITLE:   Scientists claim to have successfully mined flammable ice in the South  China Sea.  That`s according to Chinese state-run media.  
"Combustible  ice" is a natural gas hydrate containing methane found in underwater  tundra.  It looks like ice, but when melted, it releases natural 
gas.  
According  to the China Geological Survey, the hydrate was successfully mined for  eight days.  Officials are calling it a major breakthrough, 
saying it "may lead to global energy revolution".
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AZUZ (voice-over):  Ten-second trivia:
How many income tax brackets are there in the U.S.?
Three, five, seven, or ten?
There  are currently seven tax brackets and generally speaking, the more money  Americans make, the higher the percentage they pay in taxes.
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AZUZ:   President Trump says he wants to simplify U.S. tax code.  He`s  proposed reducing the number of income tax brackets from seven to three.   
It could significantly reduce what most Americans pay in  taxes on their income.  It could also significantly reduce the  government`s revenue from 
taxes.  
Income taxes are  the main source of revenue for the federal government.  Any changes to  the tax code have to be made through Congress and the House 
of Representatives has officially begun discussing how to do this.  
But  though lawmakers have the support of some business leaders who say tax  reform could lead to more jobs and better wages, and though Republicans 
control both chambers of Congress and the presidency, there`s still  doubt about whether Congress will ultimately agree on the way to reform  taxes.
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CHRISTINE ROMANS, CNN CHIEF BUSINESS CORRESPONDENT:  Tax reform, the eternal presidential promise.
TRUMP:  Tax simplification will be a major feature of the plan.  
BARACK  OBAMA, FORMER U.S. PRESIDENT:  Both Democrats and Republicans have  argued that our tax code is riddled with wasteful, complicated loopholes  
that punish businesses investing here and reward companies  that keep profits abroad.  Let`s flip that equation.  Let`s work  together to close 
those loopholes.
GEORGE W. BUSH,  FORMER U.S. PRESIDENT:  It seems like to me the tax code today  discourages economic vitality growth when you spend billions of hours 
filling out the forms.
TRUMP:  Our Republican majority will pass massive historic tax reform.
ROMANS:   But actually, delivering on it has proved much harder.  In fact, real  comprehensive reform hasn`t happened since 1986.  
Why is it so difficult?  
Tax  reform requires overhauling the entire Tax Code to make it simpler,  fairer, more efficient, it`s a monumental task that involves tough  trade-
offs.
One of the biggest complications: tax  breaks.  This year, the tax code is loaded with nearly $1.6 trillion  worth.  If Congress limited those goodies, 
it could lower tax rates overall, and the U.S. Tax Code would be a lot less complex.
But  people and industries love their tax breaks and that`s where the fight  can get ugly, especially when powerful interest with big war chest can 
defend their favorite deduction.  Other tax breaks are so popular, it  could be politically radioactive for Congress to touch them.  Think the  mortgage 
interest deduction or the deduction on charitable donations.  
The  other tricky thing about tax reform: it often involves new ways to  raise revenue, but nobody likes paying new taxes.  For example, right  now, 
Americans don`t pay any taxes on employer provided health  care.  Congress specifically wrote the law that way.  But that  exclusion will cost the 
government a hefty $165 billion this year.
Now, tax reform could try to change that, but can you imagine the outrage?  
Just another reason tax reform is so hard.
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AZUZ:   When he came home from the Vietnam War, U.S. Marine Bob Adams had  post-traumatic stress and didn`t know it.  In the decades that followed,  he 
found himself helping others who struggled.  
And  Adams eventually cofounded the Midwest Shelter for Homeless Veterans.   It gives free housing and counseling to hundreds of veterans every year.   
They become bands of brothers, attending 12-step classes together, looking for employment together and healing together.
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BOB ADAMS, CNN HERO:  Ask a Vietnam veteran when he was in Vietnam, the answer would be last night.
Vietnam is never very far away from me.  We went out fighting for the flag and apple pie.  We fought for each other.
The  war followed me home.  Alcoholism, substances, homelessness.  After I  got sober, I began to see veterans on the street homeless.  Marines do  not 
leave anyone behind.  And so, to see that code being broken, it shocked into action.
The  doors of this house opened in 2007.  The atmosphere is one of a home.   We want them to take pride of that time in the military and remember  what 
that was like.
UNIDENTIFIED MALE:  When I first  met Bob, he said, we`re going back to basic.  If you have gone to basic  training, you know what that means.  
ADAMS:  I remember that you weren`t too sold on this plan.
(LAUGHTER)
UNIDENTIFIED  MALE:  It`s that when I got here, I wasn`t ready for it.  But, I mean,  you made it so welcoming.  You know, you had the rules and it was 
stern, but you also give it with love.
You ate dinner together.  You cleaned up together.  You went to bed the same time and it was just like back in basic.
UNIDENTIFIED  MALE:  Bob and I, we have a lot in common.  He was in Vietnam, I was in  Afghanistan.  I went through the same struggles that he went 
through.
I just kind of got to limit myself and make sure that I stay on the same track that I`m going on now.
ADAMS:  Good to hear.
UNIDENTIFIED  MALE:  When he was in the war zone, you know, he was a medic.  Opening  the shelter, it`s the same thing.  He`s here to help people.  
UNIDENTIFIED  MALE:  I ended up drinking because I didn`t want to feel it.  Here, I  don`t have to panic about how am I going to live.
ADAMS:  It`s the reason we`re here, brother.
UNIDENTIFIED MALE:  It hurts sometimes, but thank you.
UNIDENTIFIED MALE:  To watch people change, begin to feel cared about, is heartwarming.
UNIDENTIFIED  MALE:  I`m proud to be who I am today.  I`m working.  I get to spend  time regularly with my kids with the help of Bob now.  I`m a lot 
happier.
ADAMS:  My marines were my marines.  And these men who`ve come to this house are my veterans.  We don`t leave anyone behind.
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AZUZ:   Many people share a common love for a sandwich of grand crackers,  marshmallows and chocolate and here are some more.  What`s uncommon is 
these many people sharing it all at once, more than 700 students hoping  to break the Guinness World Record for making s`mores at the same time.   
The attempt happened in a small town in the U.S. state of  Pennsylvania.  The old s`more record was 423.  Organizers say it will  take some time to 
find out if this sets a new high bar.  
But  if it does, you got to chuck a lot of the credit up to those who  cookied up the idea, who planned the pro-graham, who managed to say  mallow 
and who know sandwich record to break.  It`s clear they didn`t bite off more than they could chew.  
I`m Carl Azuz for CNN 10.  We`ll bring s`more tomorrow.