Bill Clinton embraces Monica Lewinsky (Photo: AP) Bill Clinton embraces Monica Lewinsky on the White House lawn. (AP)

Washington’s latest sex scandal — involving newly installed Rep. Vance McAllister (R-La.) and a congressional aide — may seem just another in a long line of sordid behavior on the part of congressional and administration officials. But this appears to be the first uncovered by actual video evidence.

Recent sex scandals generally have involved tweeted photos — for example, a selfie by former representative Anthony Weiner (D-N.Y.). Others have included flirtatious e-mails like those from former representatives Mark Foley (R-Fla.) and Chris Lee (R-N.Y).  And there was the spectacular video of President Bill Clinton hugging Monica Lewinsky along a rope-line of supporters greeting him on the South Lawn of the White House.

But most often there are scarcely any photos of the two lovers together, much less a videotape showing them, if not in full flagrante delicto, then at least seriously making out. The surveillance video allegedly shows the married McAllister, with the back of his shirt out,  and Melissa Peacock, his married district scheduler,  in an extended and most passionate embrace.

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And while there have been calls for his resignation (Peacock  is already off the payroll), McAllister told the Monroe News Star  that he intended to run for reelection  “unless there is an outcry for me not to serve, and so far there has been an outpouring of support.”

Well, people can surmount these obstacles. Remember that former South Carolina governor Mark “The Hiker” Sanford told his wife that he was on the Appalachian trail when in fact he went to Argentina to be with his mistress. He easily won an election last year for the House.