WHAT THEY SEE AS FREE SPEECH:
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>> SPORTS HAS NOT BEEN AN ESCAPE FROM POLITICS FOR A GOOD, LONG TIME .>> Reporter: PROFESSOR LEE EAG CELL WITH NEW YORK UNIVERSITY'S TISCH INSTITUTE FOR SPORTS .>> IN TERMS OF TALKING TO ATHLETES, THERE ARE MANAGERS WHO ARE ABOUT TO INSTRUCT THEM ON WHAT THEY CAN DO. THERE ARE COACHES WHO WILL DO THE SAME. BUT THEY'RE NOT ALL THAT GREAT ABOUT LETTING OTHER PEOPLE TELL THEM WHAT TO DO .>> Reporter: LATE TODAY, STEPH CURRY'S GOLDEN STATE WARRIORS SEND THE PRESIDENT'S DECISION TO WITHDRAW A WHITE HOUSE INVITATION, SAYING THE TEAM WILL INSTEAD VISIT WASHINGTON TO CELEBRATE EQUALITY, DIVERSITY, AND INCLUSION. REENA .>> Ninan: AND, TONY, THERE'S ANOTHER TEAM THAT'S DECIDED NOT TO GO TO THE WHITE HOUSE .>> Reporter: THE MEN'S N. C. A. A. CHAMPION TAR HEELS WILL NOT GO TO THE WHITE HOUSE EITHER, BUT THEY'RE CITING A SCHEDULING CONFLICT .>> Ninan: THANK YOU, TONY. EIGHT SURVIVING MEMBER OF THE LITTLE ROCK NINE ARE IN ARKANSAS THIS WEEKEND FOR A HISTORIC REUNION. THEY GATHERED FRIDAY TO COMMEMORATE THE 60th ANNIVERSARY OF THEIR DESEGREGATION OF AN ALL- WHITE HIGH SCHOOL WHEN FORMER STUDENTS SAID THE IMAGES OF A WHITE SUPREMACIST RALLY LAST MONTH IMMEDIATELY REMINDED HER OF THE MOBS SHE FACED BACK IN 1957. A FAILING DAM HAS CREATED A A NEW CRISIS IN PUERTO RICO. A 90- YEAR- OLD DAM IS BEING PUSH TO THE BREAKING POINT BY FLOODWATERS FROM HURRICANE MARIA. TENS OF THOUSANDS WHO LIVE DOWNSTREAM ARE NOW SCRAMBLING TO GET TO HIGHER GROUND .>> Reporter: BREAK'S GOVERNOR SAYS IT'S EXTREMELY DIFFICULT RIGHT NOW TO GET INFORMATION OUT OF GUAJATACA, THAT CITY IN THE WESTERN PART OF THE ISLAND WHERE WE'RE TOLD A DAM IS IN THE PROCESS OF FAILING. IT WAS FRIDAY WHEN THE NATIONAL WEATHER SERVICE FIRST WARNED THAT THE DAM MIGHT FAIL AND THAT 70, 000 PEOPLE MAY NEED TO BE EVACUATED. BUSES WERE BROUGHT IN TO TRANSPORT THOSE PEOPLE OUT. THE GOVERNOR OF THE ISLAND WENT TO GUAJATACA WITH SATELLITE PHONES SO THAT HE COULD KEEP IN CONTACT WITH EMERGENCY OFFICIALS. BUT AS OF SATURDAY MORNING, THE GOVERNOR SPOKESPERSON SAYS THEY CAN'T REACH THOSE OFFICIALS. HERE'S THE LATEST
FROM THE GOVERNOR'S OFFICE:
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�� THE DEATH COUNT HERE ON THE ISLAND IS NINE, BUT THEY EXPECT THAT TO GO HIGHER. MORE DEISEAL IS BEING BROUGHT IN TO HOSPITALS ON THE ISLAND THAT ARE RUNNING LOW ON FUEL. THE PROBLEM IS GETTING THAT DEISEAL TO THOSE HOSPITALS. THE GOVERNOR'S OFFICE SAYS TWO POLICE OFFICERS MAY HAVE BEEN KILLED ON THE WESTERN PART OF THE ISLAND AFTER THEY WERE SWEPT AWAY IN FLOODWATER. WE SPOKE WITH FEMA, THE FEDERAL EMERGENCY MANAGEMENT AGENCY, WHICH IS ON THE GROUND HERE IN PUERTO RICO. THEY'RE TELLING US THEY'RE BRINGING IN ONE MILLION LITERS OF WATER, AS WELL AS FOOD, MEDICINE, AND 31 HIGH- CAPACITY GENERATORS. YOU MAY HAVE HEARD THERE FAMILY MEMBERS THAT COMMERCIAL FLIGHTS WERE RESUMING HERE ON THE ISLAND, AND THAT IS TRUE. HOWEVER, IT'S EXTREMELY DIFFICULT TO ACTUALLY GET A FLIGHT RIGHT NOW. MOST PEOPLE ARE SAYING THEIR FLIGHTS ARE BEING CANCELED. THE GOOD NEWS IS MOST OF THE PLANES THAT ARE GETTING INTO ISLAND ARE MILITARY PLANES THAT HAVE RELIEF AID. THE POWER IS STILL OUT HERE, AND THAT MEANS FOR JUST ABOUT EVERYONE THERE'S NO WATER. REENA .>> Ninan: DAVID BEGNAUD, THANK YOU, DAVID. ITS DEATH TOLL FROM THE EARTHQUAKE THAT HIT MEXICO THIS WEEK HAS CLIMBED TO 305. MORE THAN HALF OF THOSE DEATHES WERE IN MEXICO CITY. RESCUE EFFORTS PAUSED TODAY AS THE COUNTRY WAS RATTLED AGAIN BY A MAGNITUDE 6 .- 1 AFTERSHOCK .>> Reporter: A SERIES OF AFTERSHOCKS SOUTH OF MEXICO CITY SENT PEOPLE ONCE AGAIN RUNNING INTO THE STREETS AND SEARCH- AND- RESCUE CREWS EVACUATING ALREADY- UNSTEADY MOUNDS OF DEBRIS. CLOSER TO THE EPICENTER, THE 6. 1- MAGNITUDE QUAKE BROUGHT THIS BRIDGE DOWN. CREWS RETURNED TO WHAT WAS LEFT OF A SIX- STORY OFFICE BUILDING IN MAWX CITY BOROUGH MORE THAN 40 PEOPLE WERE LISTED AS MISS. MARIEL MENDOZA HAS BEEN CAMPED OUT HERE SINCE WEDNESDAY. HER COUSIN, IVAN COLIN FERNANDEZ, AN ACCOUNTANT, WAS WORKING ON THE FOURTH FLOOR OF THIS BUILDING WHEN THE QUAKE HIT .>> WE KNOW THAT THEY FOUND PEOPLE ON THE FOURTH FLOOR. I THINK THAT THEY FOUND, LIKE, DIFFERENT GROUPS. AND SOME OF THEM, LIKE, THEY SHOWED THEY ARE LIFE .>> Reporter: THERE ARE SIGNS OF LIFE ?>> UH- HUH. SO WE ARE, LIKE, HOPING FOR HIM TO BE ONE OF THOSE .>> Reporter: HER FAITH IS ALSO FUELED BY THIS EXTRAORDINARY RESCUE ON WEDNESDAY. A HUMAN RESOURCES WORKER NAMED PAULINA WAS TRAPPED UNDER TONS OF DEBRIS. WORKERS, LIKE RODRIGO HEREDIA CHIA, BURROWED DOWN TWO STORIES AND USED CABLES TO PULL HER TO SAFETY. WHAT DID YOU HEAR DOWN THERE ?>> " I'M HERE ." JUST, " I'M HERE .">> Reporter: PEOPLE SAYING, I'M HERE ?">> YES. SHOCKING, YOU KNOW .>> Reporter: SHOCKING ?>> YES, SHOCKING .>> Reporter: PARTS OF THE CITY ARE TRYING TO REOPEN FOR BUSINESS, LEADING TO TENSIONS AS AN OFFICER TRIED TO REOPEN A BUSY BOULEVARD, SEARCHERS AND FAMILY MEMBERS WHO WANTED SILENCE PROTESTED, STILL HOPING TO HEAR SOUNDS FROM POSSIBLE SURVIVORS UNDER THE RUBBLE. THE NUMBER OF PEOPLE RESCUED FROM COLLAPSED BUILDINGS LIKE THIS ONE HAS REACHED NEARLY 70, BUT AS THE DAYS GO ON, THE HOPES OF FINDING OTHERS DIMINISH. STILL, CREWS CONTINUE TO SEARCH. REENA .>> Ninan: MANUEL BOJORQUEZ IN MEXICO CITY. COMING UP, THE MEXICO EARTHQUAKE SAY REMINDER THAT ANOTHER MAJOR QUAKE WILL EVENTUALLY HIT SOUTHERN CALIFORNIA, AND SCIENTISTS SAY MANY CALIFORNIANS HAVE A FALSE SENSE OF SECURITY .>> Ninan: WELL, HOURS BEFORE MEXICO CITY WAS ROCKED BY AN EARTHQUAKE THIS PAST WEEK, A SMALLER QUAKE JOLTED THE LOS ANGELES AREA. IT WAS A REMINDER THAT THE SO- CALLED BIG ONE WILL EVENTUALLY HIT SOUTHERN CALIFORNIA. SCIENTISTS SAY THAT MANY CALIFORNIANS HAVE A FALSE SENSE OF SECURITY REGARDING EARTHQUAKES. HERE'S CARTER EVANS .>> Reporter: AS ENGINEERS SURVEYED THE DESTRUCTION IN MEXICO CITY, A LOT CAN BE LEARNED FROM THE BUILDINGS THAT SURVIVED THE 7. 1- MAGNITUDE EARTHQUAKE, AND THE ONES THAT DID NOT. THIS CONCRETE APARTMENT BUILDING DIDN'T HAVE ENOUGH STEEL REBAR EMBEDDED IN THE SUPPORT COLUMNS. ACCORDING TO CALIFORNIA SEISMIC SAFETY COMMISSIONER KIT MIYAMOTO .>> THAT IS ACTUALLY REALLY CLASSIC FAILURE .>> Reporter: AND IT'S COMMON CONSTRUCTION, ESPECIALLY HERE IN LOS ANGELES. ENGINEERS CALL THEM " SOFT- STORY BUILDINGS ," WHERE THE GROUND FLOOR IS OFTEN USED FOR PARKING. THE INTERESTING THING ABOUT THAT VIDEO IS YOU COULD ACTUALLY SEE THE MOMENT AND THE LOCATION OF FAILURE OF THAT BUILDING .>> EXACTLY. IF YOU SEE IT CAREFULLY, FIRST, THE CORNER COLUMN STARTS ESSENTIALLY BUCKLING. THE REBAR BUCKLING OUTWARD. AND IT EXPLODES. AND THAT CAUSED THE COLLAPSE OF THAT ESSENTIALLY GROUND FLOOR .>> Reporter: MIYAMOTO IS TRAVELING TO MEXICO CITY NEXT WEEK TO ASSESS THE DAMAGE .>> EXACTLY. JUST UNDERSTANDING WHAT HAPPENED THERE, AND WHAT WOULD BE A LESSON WE CAN LEARN IN CALIFORNIA .>> Reporter: WE CAUGHT UP WITH HIM LAST YEAR IN DOWNTOWN LOS ANGELES. IF THAT BUILDING ISN'T REINFORCED, WHAT HAPPENS TO IT IN A LARGE EARTHQUAKE ?>> WELL, UNREINFORCED BUILDINGS LIKE THAT, WITHOUT ANY SEISMIC STRENGTHENING IS ESSENTIALLY WHAT I CALL A " DEATH BOX .">> Reporter: THE CITY IS NOW TARGETING MORE THAN 13, 000 SMALL RESIDENTIAL APARTMENT BUILDINGS AND NEARLY 1500 CONCRETE BUILDINGS THAT COULD NEED REINFORCEMENT .>> L. A. IS ESSENTIALLY NOW LEADING IN THE NATION, LEADING THE WHOLE WORLD FOR THIS TYPE OF SEISMIC STRENGTHENING. BUT ARE WE PREPARED COMPLETELY? NO, WE'RE NOT. I THINK WE CAN DO SO MUCH MORE .>> Reporter: ONE ALL THE CONCRETE BUILDINGS HERE IN LOS ANGELES, OWNERS WILL BE GIVEN 25 YEARS TO REINFORCE THE STRUCTURE. REENA .>> Ninan: CARTER EVANS, THANK YOU, CARTER. UP NEXT, THE MANMADE PROBLEMS THAT MADE HOUSTON'S HISTORIC FLOODS MUCH WORSE. SCOTT PELLEY INVESTIGATES FOR " 60 MINUTES .">> Ninan: NEARLY A MONTH AFTER HURRICANE HARVEY BROUGHT HISTORIC FLOODS AND DEVASTATION TO SOUTHEAST TEXAS, MANY ARE STRUGGLING TO RECOVER. IN HOUSTON, SOME SAY POOR CITY PLANNING MADE THE DISASTER MUCH WORSE. SCOTT PELLEY LOOKED INTO HOUSTON'S FLOODING PROBLEM FOR " 60 MINUTES .">> WHAT HAVE YOU LOST ?>> THREE CARS, MOST OF OUR HOME AND OUR RENTAL PROPERTY AND HALF OF OUR SANITY .>> Reporter: YOU'VE BEEN HERE 20 YEARS. EVER FLOOD BEFORE ?>> NEVER .>> Reporter: IS THIS HOUSE IN A FLOOD PLAIN ?>>>> NO! NO !>> Reporter: HEALTH HATH NO FURY LIKE A WOMAN SUBMERGED, THE CRACK OF EVERY RUINED MEMORY EXPOSED CYNTHIA NEELY'S RAGE, NOT AT HARVEY, BUT AT HOUSTON. SHE'S WITH " RESIDENTS AGAINST FLOODING" A NINE- YEAR- OLD GROUP SUING THE CITY. THEY WANT TO TOUGHER THE LAW THAT REQUIRES DEVELOPERS TO DIG DETENTION BASINS TO CATCH RUNOFF FROM BUILDINGS. HOUSTON HAS GROWN ABOUT 25 % IN 20 YEARS .>> WE HIRED TOP- NOTCH HYDROLOGISTS, ENGINEERS, TO LOOK AT A PROBLEM AND SAY, HEY, SOMETHING'S WRONG HERE. CITY, COUNTY NEEDS TO DO SOMETHING. SO FOR ALL THESE NINE YEARS WE'VE BEEN GOING TO MAYOR AFTER MAYOR, YEAR AFTER YEAR, BEGGING BEGGING AND PLEADING, ASKING FOR DETENTION BASINS, ASKING FOR DRAINAGE INFRASTRUCTURE IMPROVEMENTS AND THEY JUST LOOK AT US LIKE, " THANK YOU FOR COMING. HAVE A NICE DAY .">> Reporter: WHY ?>> IT COSTS MONEY, AND BECAUSE THIS CITY IS BOUGHT AND PAID FOR BY DEVELOPERS .>> Reporter: WHEN YOU HEAR SOMEONE SAY, " THESE STORMS COME ALONG EVERY 500 YEARS OR SO" WHAT DO YOU SAY ?>> ( BLEEP ). OKAY. SERIOUSLY, WE HAVE HAD FOUR-- THREE 500- YEAR FLOODS IN THE LAST 27 MONTHS. NOW WE HAVE HARVEY. MOTHER NATURE IS GOING TO DO WHAT MOTHER NATURE IS GOING TO DO. THAT MEANS IT'S GOING TO RAIN. WE'RE GOING TO HAVE HURRICANES AND TROPICAL STORMS. SO, BY GOLLY, DO SOMETHING TO PROTECT YOUR PEOPLE FROM IT .>> Ninan: YOU CAN SEE SCOTT'S FULL REPORT TOMORROW NIGHT AS " 60 MINUTES" KICKS OFF ITS 50th SEASON .>> Ninan: THAT'S THE CBS WEEKEND NEWS FOR THIS SATURDAY. LATER ON CBS, " 48 HOURS ." I'M REENA NINAN IN NEW YORK. THANK YOU FOR JOINING US. GOOD NIGHT.