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
The prince will meet the country's indigenous people on the penultimate day of his tour of the West Indies.
The University of Colorado said it is also terminating Dr Michelle Herren's non-paid medical faculty appointment.
The Dutch KLM pilot was escorted off the aircraft and taken to hospital by ambulance crews.