I was gonna be flip, and say something silly, like Star Trek (TOS) or a 10 cent box of Good and Plenty.

None of us can go back and change anything. These things happened and we have to go on. Like someone said, If the library of Alexandria had been saved, the US Civil War would have been fought with Atom Bombs.

Each thread we try to re-ravel only un-ravels umpteen more threads.

Threfore, I think the greatest loss is the ability to learn from one's mistakes, not to repeat them and just go on.

Wincing Devil  >;-( If there's one thing we've learned from history, it's that we learn NOTHING from history