... after he was barred from delivering a speech ...

So, he, as usual, likely wanted to make the event all about himself (give me a break, it was a Pres Trump speech), and not those being honored.

It is great that the organizers of the event decided that the event should be about the heroes of 9/11, e.g., the 343 NYC fireman who gave up their lives in order to try to save others.

@#1 ... the 343 NYC fireman ...