Read Doctor Hare's material on psychopaths, readily available on the internet. One of the main characteristics of a psychopath is that he will lie even when there's no advantage to be gained and even when he is not at all likely to be believed. Read Hare's checklists. Obama fits the pattern like a hand in a glove. 

Factor1: Personality "Aggressive narcissism"

    * Glibness/superficial charm
    * Grandiose sense of self-worth
    * Pathological lying
    * Cunning/manipulative
    * Lack of remorse or guilt
    * Shallow affect
    * Callous/lack of empathy
    * Failure to accept responsibility for own actions

Is this not a good description of  The President?

Rockster: Is this not a good description of  The President?

Factor1: Personality "Aggressive narcissism"

    * Glibness/superficial charm
    * Grandiose sense of self-worth
    * Pathological lying
    * Cunning/manipulative
    * Lack of remorse or guilt
    * Shallow affect
    * Callous/lack of empathy
    * Failure to accept responsibility for own actions

Perfect hand that fits the glove. You may include Master of Disguise. According to a tsunami of reports inundating the Web, he was and has always been Barry Soetero, a Muslim and a disciple of Islam, now perfectly impersonating President Barack Hussein Obama.
 

Bakadude