We cannot judge a man's soul but we can certainly assess what he says and does... Obama a Christian? Then so was Joseph Stalin.
Notice the way Obama subtly twists scripture, in the video on Western Journalism , and the way he used words like “grace” to apply to all religions. Even in ‘The Times’ newspaper (30 September 2010, p. 35) the columnist is cynical of the motives and timing of Obama’s comment.
"Thou believest that there is one God; thou doest well: the devils also believe, and tremble.
But wilt thou know, O vain man, that faith without works is dead?" (James 2: 19-20)