Harris and Trump platforms would both do economic damage. But one is worse than the other

News Snapshot:

Open this photo in gallery: Republican presidential nominee and former U.S. president Donald Trump listens to a question from a reporter at a campaign event at ll Toro E La Capra, Aug. 23, in Las Vegas.Julia Nikhinson/The Associated Press Despite their starkly different economic platforms, U.S. presidential candidates Kamala Harris and Donald Trump do agree on one thing. They think tips should be tax free. Not that either Ms. Harris, the Democratic nominee, or Mr. Trump, the Republican standard-bearer, have offered a whit of evidence to support the idea that exempting tips from taxes is good policy. Most economists would...