ABC News has posted a longer sneak preview of tonight's 20/20 segment about the battle over 4949 Swiss Avenue; the video's here, while the story's here. (Mark McCay and Justin Burgess, to whom Mary Ellen Bendtsen signed over the house shortly before her death in 2005, declined to speak to ABC.) And, in case you were unaware, the house is currently on the market: for $849,000.

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