The fact is, Donald’s pathologies are so complex and his behaviors so often inexplicable that coming up with an accurate and comprehensive diagnosis would require a full battery of psychological and neuropsychological tests that he’ll never sit for. At this point, we can’t evaluate his day-to-day functioning because he is, in the West Wing, essentially institutionalized. Donald has been institutionalized for most of his adult life, so there is no way to know how he would thrive, or even survive, on his own in the real world.
