What are the lessons of 9/11?

Ten years on, we hear from an astonishing range of people whose lives and beliefs have been transformed by the terrorist attack and the subsequent war on terror.

How have the events of 9/11 and efforts to counter terrorism affected us? Would you have refused to fight in Afghanistan? And what do the next 10 years hold for the relationship between the West and Islam? Share your thoughts by pressing the red button above...