Henry Miller, a physician and molecular biologist, is a senior fellow at the Pacific Research Institute, poses a very compelling question, given the character assassination of Brett Kavanaugh by some Washington pols:
Perhaps we should ask candidates (and incumbents), including the president and vice president, to volunteer for periodic testing of intelligence, mental status, and psychopathology. After all, we often demand to know whether a candidate has recovered from open-heart surgery, cancer, or strokes, and many states require elderly drivers to get relicensed. Testing could answer speculations about mental fitness, one way or the other.
Read his entire piece here.