chris ward, executive director of the port authority of new york and new t jersey.chitect david child, and david lieberstein designer of the site's original plan and paul goldberger from the new yorker magazine. we conclude this evening with michael larod, the designer of the 9/11 memorial. the rebuilding of ground zero when we continue. >> founding for -- funding for charlie rose funding for charlie rose was provided by the following: addional funding provided by these funders: captioning sponsored by rose communications from our studios in new york city, this is charlie rose. >> charlie: the attacks on the >> rose: the attacks on theworln september 11, 2001, forever changed the manhattan skyline. almost immediately after theer iconic twin towers fell thatth tuesday morning, the debate ove+ how to rebuild began. for 5 time, creative, economic and political conflict stalled significant progress at theil site. the rebuilding effort continues but many feel that a corner has been turned. the national september 11 memorial opened to the public on sunday, and the site's

. >> pelley: we got an early look with chris ward, executive director of the port authority of new york and new jersey, the agency that owns the site and oversees the rebuilding. >> this fountain alone is the largest man-made fountain in america. we've built two of them. 660,000 gallons of water recirculating 24/7. >> reporter: the names of those who were lost are etched in bronze panels along the borders of the pools. the memorial foundation asked us not to show the names before sunday so that the families could see them first. at night, the names will be back-lit to shine against the void. of course, fate determined who would live and who would die on 9/11. in the north tower, nearly everyone below the 92nd floor got out, but no one above survived. 658 employees of the brokerage firm cantor fitzgerald were lost. anthony mason tells us that the c.e.o., howard lutnick, has dedicated his life to helping their families. >> september 11 is a hard line between the life i had before and the life i have now. >> reporter: as c.e.o. of the bond trading firm cantor fitzgerald, howard lutnick was

tonight the rebuding of groundñr zero with% ááv silverstein,president of sin properties, chris ward,exd executive director of the port authority of new york and new jersey. architect,ñr david childsqdesige center. architectberger architect credi. we concludthe designer ofÑi the1 memorial. the rebuilding of ground zero when we continue. funding for charlie rose was provided by the following: addional funding provided by these funders: captioning sponsored by rose communications from our studios in new york city, this is charlie rose. >> charlie: the attacks on the world tradeÑi center on cept 11, 2001 fobdmanhattan skyline. almostqiconic twin towers fell t tuesday morning the debate over how+fora time creative economicr political conflict stalled significant progress atÑi theó[ site. ten years later the building effort continues butqthat a cor. the september 11 memorial opened to the public on sunday in thevp site central building one world trade center continues to rise to its dominant playersó[ inúuq city skyline. joining me to talk about the statee1 of redevelopment at the world

. >> i head up with chris ward, executive director of the port authority of new york and new jersey that oversees construction. >> what's being done to make it as safe as possible? >> well, what you're looking at is this incredible, soaring, beautiful lobby that has in its design safety and security. this is a blast wall that was poured at 18,000 pounds per square inch concrete to stop anybody bringing a truck bomb in. these steel girders weigh 70 tons. i'd like to say this is truly going to be the exclamation point on the new york city skyline. >> how tall is it going to be? >> well, all the way to the spire it's going to be 17,076, so the rooms going to be 13,056. two million square feet. it will be the tallest skyscraper in america. >> touted as the new gold standard in skyscrapers, the top half will be shaped like a perfect octagon with 20 floors of blast-resistance glass and will have some of the fastest elevators in the world, but all this comes at a cost, estimated $3.2 billion and years of delays. >> doing an incredible job, yet some people are going to say it's been ten years, a

. >> i head up with chris ward, executive director of the port authority of new york and new jersey thattion. >> what's being done to make it as safe as possible? >> well, what you're looking at is this incredible, soaring, beautiful lobby that has in its design safety and security. this is a blast wall that was poured at 18,000 pounds per square inch concrete to stop anybody bringing a truck bomb in. these steel girders weigh 70 tons. i'd like to say this is truly going to be the exclamation point on the new york city skyline. >> how tall is it going to be? >> well, all the way to the spire it's going to be 17,076, so the rooms going to be 13,056. two million square feet. it will be the tallest skyscraper in america. >> touted as the new gold standard in skyscrapers, the top half will be shaped like a perfect octagon with 20 floors of blast-resistance glass and will have some of the fastest elevators in the world, but all this comes at a cost, estimated $3.2 billion and years of delays. >> doing an incredible job, yet some people are going to say it's been ten years, and they are surpri

. >> reporter: chris ward is executive director of the port authority which oversees the world tradeter site. >> this is ladder 18. from lower manhattan. raced to the scene. the destruction of the truck itself is representing what a lot of people who were lost, were the fire department. >> reporter: ward was late for work that day and narrowly survived the disaster. his boss, neil levin, was not so lucky. he was killed when the towers collapsed. christine ferer was married to levin. she is the mayor's liaison with the victims' families. and she has been instrumental in organizing the 9/11 memorial. >> that was a moment when everybody was united. wouldn't it be great to have that feeling again? >> reporter: she showed us a room full of posters we all remember so well. putting up by people in manhattan, pleading for information on missing loved ones. >> they were all over manhattan. my daughter, for one, put neil's picture up on the upper east side everywhere. >> reporter: she showed me another one, of artifacts from shops, such as the warner brothers store, at the world trade center m

. >> reporter: chris ward, who runs the port authority of new york and new jersey, gave us a tour fromhe ground up. >> you can see the empire state building right there. it's kind of cool to be eye level with it. >> reporter: amazing. >> but speaking of the empire state building, you heard the gripe that that only took a little bit more than a year to build. >> reporter: i hear it all the time. you know, look at it. it was built in the '30s. o.s.h.a. regulations, safety, security wasn't really heard of. people died building that tower. this isn't like just building on any other block in new york city. this is building on the most complicated public works project in the entire country. >> reporter: it's complicated all right. one world trade has been called the number one terrorist target so its 186-foot base has no windows and is massive enough to shrug off a truck bomb. >> these columns are 60 feet long. each one weighs 70 tons. >> reporter: 70 tons. >> 70 tons. that's a car every foot when you think about the thickness and weight of it. >> reporter: the building itself will be close