The damage is done

Sunday.

[Editor Mark] Whitaker said in an interview later: "We're not retracting anything. We don't know what the ultimate facts are."

Monday.

"Based on what we know now, we are retracting our original story that an internal military investigation had uncovered Koran abuse at Guantanamo Bay," the magazine said in a one-sentence statement from editor Mark Whitaker.

Q: What does Newsweek "know now" that it didn't know on Sunday?

A: You immediately retract a story that reports on a purported factual event when you "don't know what the ultimate facts are." Duh.