. >> this will be in an unintrusive way the safest commercial space any place in the world. >> reporter: is one world trade center stronger that on the twin towers that stood before? >> oh, by far. >> reporter: it now stands 104 stories high, and it will be topped out in the next few weeks. >> ultimately 1776 feet. >> very symbolic number. >> yes, and not accidental. >>> all right. poppy harlow joining us live now. poppy, if it is topped out in the next few weeks, i'm sure that there is great relief, and great trepidation, and just real exuberance, too, for the many people who have worked on that structure. >> it is the culmination, fredricka, of so many years of hard work. frankly speaking, a lot of bickering politically, financially, and the president today, he is going to be here around 5:15 eastern time, and he will get a preview of the topping out ceremony, and that is the word they use in the construction world for when this building reaches the final height. when i was there a few days ago it was 1,300 feet, and you heard it is 1,776 feet, and the president will sign the beam alo