WASHINGTON—In a presidency full of unexpected twists, tax policy under President Trump happened by the book: Republicans got elected and Republicans cut taxes. What happens if they win again? Probably more tax cuts.
Tax cuts remain a core, unifying aspect of GOP ideology. Full Republican control of government—though unlikely—would yield attempts to forgive this year’s deferred payroll taxes, lock in tax cuts set to expire in coming years and create new breaks. Details are scant as the Trump campaign has released mostly bullet…
