We have a new president who is also a new kind of president. Our previous chief executives — at least those of the post–World War II era — were not in the business of outright bigotry and misogyny. Nor did they make common cause with white supremacists, boast about sexual assault, or threaten to jail their opponents. Nor did they openly deride and undermine the traditions and institutions that it is the president’s duty to uphold. Donald Trump is different. Since he was elected in November, many Americans have struggled to assimilate our changed reality, the radical discontinuity that his victory…