If you’re exhausted by all the criminality, outrageous racism, gaslighting, antediluvian misogyny, pedestrian hatreds, cruel religiosities, fascist violence, rank cowardice and power-mongering greed that have characterized our national political life since at least 2015, I recommend a visit to the Norton Simon Museum in Pasadena. Francisco de Goya’s rare 1799 working proof for “What Courage!” is having its public debut …