Share Before she was elected governor she is also said to have snorted cocaine with her husband off an overturned oil drum while snowmobiling with friends.
She and her husband stopped getting invited to parties.
In a bid to expose Mrs Palin's skeletons, Mr McGinness has studied the former vice presidential candidate for three years and last year even moved in to a home next door in Wasilla, Alaska, to dig some more.
Their son Track, the oldest of five, was born eight months later in April 1989.
She tells Kathie Lee and Hoda a funny story about how her son accidentally came across an adult toy and how she managed to avoid having to tell him the truth.
But there are things going on behind the walls of that ordinary looking house, with these ordinary people.