Anyone who has been to Ground Zero will testify it is a remarkable memorial and given its iconic importance in America it is no surprise David Cameron has come here today.
The subliminal message and the often stated message is that al-Qaeda is not defeated but its ability to harm all of us has been degraded.
It is a difficult message to get across on a day when in Afghanistan things are not going very well.
More top news
A police spokesman said the incident in the Bourke Street Mall on Friday was not related to terrorism.
The former reality TV star will follow in the footsteps of Abraham Lincoln and John F Kennedy when he takes his oath later on Friday.
The President-elect's comments on Twitter will come under even closer scrutiny when he takes office on Friday.