I could say that I heard that Obama is a felon – now YOU have to prove he isn’t.
You can begin your research here: www.britannica.com and I hear goggle is pretty good.
There, I provided the “irrefutable rationale” and a “irrefutable source” Now, off you go – and don’t come back until you proven the Dear Liar doesn’t belong in jail.
I gave you a Google scan of a US Census Bureau document. If that’s not good enough for you, stick it.