The Democrat needs to remind voters about what they really didn’t like about his presidency. Kamala Harris’s fate in the remaining weeks of the presidential campaign may turn on whether she can shift the attention of enough voters back to what they might fear from a potential second White House term for Donald Trump. Since replacing President Joe Biden as the Democratic nominee this summer, Harris has focused her campaign message above all on reassuring voters that she has the experience and values to serve in the Oval Office. But a consensus is growing among Democratic political professionals that Harris...