This was just a matter of time, with legions of socialist skanks throwing themselves at him and feinting as his mere presence... plus factor in his wookie wife with a butt the size of Manhattan, and you have all that is needed for an affair
When Leno made his joke at the Press dinner about Michelle's child obesity work and "no child left with a big behind," there was an awful lot of nervous laughter in the room.
I wonder how many minds immediately pictured the Wookiee's big behind...I know mine did!