The fundamental question is how to ensure that the person (or computer or thing) presenting himself is, indeed, the one that he claims to be, that he is actually authorized to do whatever he claims the right to do, and that he cannot refute the result of these determinations.

ECONOMIST: Fake ID cards

It now falls to him to do just that by announcing forthwith that Aegis ships are authorized to perform this function and will be swiftly equipped with improved capabilities to do so.

CENTERFORSECURITYPOLICY: Bush Really Grows in Office