Good grief, all because the guy has vaguely brown skin. Get over it, man.
Being likewise British, I have no horse in this race. But this ^^^ is the part that always blows my mind. The sheer contortions that so much of the US citizenship puts themselves through to justify claiming that Obama has no right to be president, from the toothless redneck on the trailer park to the Republican wingnut in Congress. And all because they just can't handle there being a black guy in charge.
It's been five years, for fuck's sake. He won. You lost. Let it go.