It has been said that September 11, 2001, changed everything. Civil libertarians are deeply divided by some elements of the US government's response to the large-scale arrival of terrorism on our shores. The two basic poles of thought within the civil liberties community are represented by Alan Dershowitz, who says that some compromises can and should be made, and Harvey Silverglate, who believes that the Bill of Rights is a timeless document, suitable for all seasons.