Some right-leaning voters who oppose Donald Trump are thinking of voting neither for him nor Kamala Harris. I understand how they feel. In 2016, I published an article urging Never Trump conservatives to consider casting their ballot for a third-party candidate. In the election that year, I did just that. regret writing that column. I regret casting that vote. To people like me, Trump represented a repudiation of everything that Ronald Reagan stood for. But as a conservative and former GOP staffer who had never voted for a Democratic presidential candidate, I harbored reservations about Hillary Clinton. Voting for neither...