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.
And those toothless rednecks are the sort who rant about the evils of teh socializm but are frequently taking some sort of welfare money (and I know there are posts on this board who've got family members who do exactly that though not the trailer park dweller bit).
Same goes for the elderly tea partiers demanding government hands of their medicare.
They seemed determined to prove the maxim "not all conservatives are stupid but most stupid people are conservative".