ABC initially planned to take a week off between new episodes of "Grey's Anatomy," but I'm glad those plans changed: I'm not sure I could handle waiting around to see the aftermath of the George and Izzie hookup. Now, I know I said last week that I was glad to see "Grey's" return to being more light-hearted, but the preview for tonight's episode seems a little too "wow, infidelity's hilarious!" for my taste. Still, my faith in the show hasn't been completely destroyed ... yet. To see the promo,
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