When it comes to voting, Donald Trump must be hoping Americans will do as he says, and not as he does. Records reviewed by National Review show that the mogul-turned-candidate never bothered to cast his vote in the past six presidential-primary elections — even in 2000, 2004, and 2012, years when he floated the idea of running for the Oval Office. Even as Trump filled candidates’ coffers, he skipped the 2002 general election, failing to cast a vote for U.S. representative and governor, among other positions. He’s also sat out several city and state elections in the past 15 years,...