President Joe Biden reportedly sees himself as the reincarnation of Franklin Delano Roosevelt. But Kamala Harris is no Harry Truman — or Lyndon Johnson for that matter, the other vice president and former senator who took power in modern times when the president died in office.
Ever since Donald Trump emerged as a presidential candidate in 2015, Democrats have underestimated his political appeal and relished facing him as an electoral opponent. Hillary Clinton made those mistakes herself...