I'll answer this since I already know it and was just going to trap Brett into the Cult of Trumps logic and 'consistency'.
Birtherism can actually be traced to Clinton supporters in 2008!
https://www.politifact.com/factcheck...er-fact-check/
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Wow so it was actually Crooked Hillary Clinton's supporters that started it and not her? But that begs the question, why would Trump supporters believe in a Clinton supporters' conspiracy theory about Obama being Muslim/not born in America, but then turn around and say their theory of Trump's Russian collusion is a scam? How come they are picking and choosing and not being consistent? Why did they believe Clinton supporters then but not when it comes to Trump? And if they don't trust Crooked Hillary and her supporters, how did this conspiracy theory perpetuate for years? Who perpetuated it? Why did they perpetuate it.
And what else has Donald Trump lied about that brett and the rest of the GQP/Cult of Trump bought into? Elections being rigged? A deep state? Endless possibilities. Wow.