Hamilton reflects on what the United States must do to be safer.
Many community leaders are evaluating the importance of war and the future of terrorism.
The 9/11 commission said the U.S. is safer since 2001, but old and new issues still need to be addressed.
The public discussion will be the first time the commissioners have met since they issued their 2004 report on the 9/11 attacks.
Hamilton said even when a deal is reached, the damage has already been done because the debate diverted attention away from more serious economic issues
A member of the U.S. Homeland Security Advisory Council says even though Osama Bin Laden is dead the threat from Al-Qaida still exists.