In the Dec. 22 "Today's Papers," Eric Umansky originally and incorrectly stated that the Washington Post waited until the 13^th paragraph to say that the latest prisoner-abuse documents were taken from military investigators' files. In fact, the Post mentioned this in the second paragraph.

In the Dec. 21 "Reel Time" item on Andrew Lloyd Webber's Phantom of the Opera, David Edelstein originally said that Emmy Rossum studied at the Metropolitan Opera. In fact, she sang in the Met's Children's Chorus.

In a Dec. 20 "Jurisprudence," the lament of the peremptorily challenged, Dirk Olin mistakenly suggested that Canada gets along without peremptory challenges. In truth, Canada provides for peremptories in Sec. 634 of its criminal code.

On Dec. 10, David Kenner and William Saletan calculated the average margins by which several pollsters missed the state-by-state spreads in the 2004 presidential election. The calculations were published in a revision of "Human Nature" on the morning of Dec. 11. That evening, Ohio certified a revised vote count that lowered Bush's vote share in that state from 51.0 to 50.9 and raised Kerry's vote share from 48.5 to 48.8. Accordingly, we recalculated all the numbers. The recalculation eliminated Rasmussen's advantage over Mason-Dixon, producing a tie.

If you believe you have found an inaccuracy in a Slate story, please send an e-mail to corrections@slate.com, and we will investigate. General comments should be posted in "The Fray," our reader discussion forum.