... Mr. Romney’s lead idea is to eliminate the income limit on the Social Security payroll tax. He imagines that a huge 12.4% hike to the marginal rate on an essential cohort of the striving will have a “relatively small impact on economic growth.” Moreover, this whopping increase in social-insurance premiums wouldn’t come with better coverage. Mr. Romney would largely sever the link between Social Security contributions and benefits. We think these changes are poor policy—and we also note that they aren’t taxes on the rich but on salarymen. Mr. Romney dismisses the doomed-from-the-get-go DOGE effort to end the deficit...