Week One of the Trump administration was among the most alarming in the history of the American presidency. But the first week of the Trump presidency was alarming in a different way, because the frightening part involved the president’s own erratic, even bizarre, behavior. But it was one thing to know that in theory; it was much more unsettling to witness President Trump in action. Meantime, the destabilizing cost of Trump’s behavior manifested itself with Mexican President Enrique Peña Nieto’s abrupt cancellation of his trip to Washington. There have been reasons to worry about other presidents’ mental health.

Source: Washington Post January 28, 2017 00:22 UTC