Conversation so far:
What happened first in Rudy Giuliani's response to 9/11?
He made frequent appearances on radio and television on September 11 and afterwards.
What did Rudy Giuliani do on his appearances on September 11 and afterwards?
Giuliani claimed to have been at the Ground Zero site as often, if not more, than most workers ... “
What was the response of people to Rudy Giuliani's claims to have been on the Ground Zero site often?
Some 9/11 workers have objected to those claims.

Question: What else did he do after appearing on tv?
Self-contained rewrite: What else did Rudy Giuliani do after appearing on tv following 9/11?