For many people, especially those leaning left, Donald Trump’s disqualifications to be president seem obvious. Why did so many people vote for Trump again, they wonder, and how did he win not just the Electoral College vote this time but the popular vote as well? Trump’s critics cite his two impeachments, multiple criminal indictments at the state and federal levels and a felony conviction as evidence that he is unfit to be president again. Opponents also say that Trump is a threat to democracy, a misogynist, racist, a serial liar and a rapist. About 78% of Democrats and Democrat-leaning independent...