Donald Trump is getting pushback on Sunday on his latest conspiracy theory from an unlikely source: his own MAGA supporters. The former president earlier in the day claimed that Vice President Kamala Harris was faking her huge crowd sizes by using AI. The claim was ranked as “just false” by CNN, and one lawmaker said it made Trump unfit to be president. When Trump posted the claim on his own social media network, Truth Social, some of his own supporters encouraged Trump to back off. Want more breaking political news? Click for the latest headlines at Raw Story. ALSO READ: 21 worthless knick-kn…