Mr. Trump's claim about tariffs lowering taxes amounts to "an argument that says, 'If Americans pay more out of their left pocket, the government will be able to put more in their right pocket,'" said Joe Rosenberg, senior fellow at the Urban-Brookings Tax Policy Center, another think tank focused on taxes.

President Donald Trump on Sunday night reiterated an extraordinary ambition he and members of his administration have voiced from time to time throughout his young second term: One day, Americans won’t pay any more income tax,

Trump has repeatedly teased the notion of linking his tariffs with major income-tax cuts, floating a huge change in how the government raises revenue and offering voters worried a