When asked by CBS News’ Weijia Jiang on Sunday what part of his body he received an MRI scan for last month, Pres. Trump said, “No idea … it wasn’t the brain because I took a cognitive test and I aced it. I got a perfect mark, which you would be incapable of doing.” Jiang’s question follows Trump’s statement last month that he underwent an MRI during a checkup in early October, just six months after he received a physical. It’s not clear if he had the MRI for preventative reasons or if there was