Very interesting clinical psychologist's take on the incident in the Washington DC Examiner today:
"More often times than not, cutting occurs because the person perceives a certain amount of real or imagined abandonment and often make these allegations to receive attention to a much larger personal affliction. While I do not claim to know anything of this woman’s personal life, I can look at this from a political perspective due to the nature of the act. If you take the political body and look at it as a person for a moment, McCain’s campaign would be one who could be perceived as being abandoned, put down, or left behind in the recent weeks. If you place a personality disorder on this metaphorical body for a moment, one might see an action of acting out such as this."
http://www.examiner.com/x-796-Mental-Health-Examiner~y2...