Sexmex mother daughter - Sarah Palin 'took cocaine and had affairs with Glen Rice and husband's business partner'

The mother-of-five has remained tight-lipped on whether she would stand next year, but said she would likely make an announcement at the end of this month.

The antagonism heightened after he took up the offer of renting a small house next door to Sarah Palin's in Wasilla in summer 2010.

The book goes on to claim that while married Mrs Palin also had an affair with one of her husband's business partners.

In 1983, his take on the notorious Jeffrey MacDonald murder case led him being sued, with MacDonald alleging McGinniss made him believe he was on his side before slamming him in the book.