That he DID do.
As far as hero... not by a long shot. The hero's on 9/11 exist... but a majority of them lost their lives becoming one. Giuliani was merely a steady hand... one of many in a terrible debacle... no more a hero than a king.
Also, someone should be pointing out what is happening in upstate New York now and what happened in New Orleans after Katrina. No calls for FEMA or government aid. Why? Not because one is white and the other black. But one does not depend on entitlements and the other does.