A lot of us believe we have a good personal read of what is going on in the world around us. There's nothing wrong with President Trump's early estimates of the number of people in front of him during his inauguration, his address, and so forth.

The thing is, how do we learn and grow when reason and rational evidence show we are not as good at this as we had thought? So far, President Trump has shown that it challenges him to take advantage of the growing opportunities that are presented to him. He doesn't respond well. He reacts.