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Did he? Did she? Did they? Tongues are wagging over the two-year affair that Al Gore is alleged to have had with Larry David's ex-wife (and producer on "An Inconvenient Truth"), Laurie David. Laurie's agent tells People the report is "patently false," and Laurie herself says it's untrue. Either way, it's heating up the gossip columns, creating an unnaturally large carbon footprint. Click for more.