The president’s lesbian psychologist niece, Mary Trump, recently took the Montreal Cognitive Assessment (MoCA), a test used to assess an adult’s cognitive impairment and dysfunctions. Donald Trump bragged about acing the test in the past. But even though she did well on the MoCA too, she warned that the president displays evidence of declining mental abilities. The 79-year-old president took the MoCA earlier this year and claimed it was “very ha…