The income tax was dead. But the pressure to tax the incomes of the largely untaxed rich only increased, especially as the Progressive wing of the Republican Party grew in strength under Theodore Roosevelt. By the time of the administration of President William Howard Taft (1909-13) the pressure was becoming overwhelming. One representative suggested simply repassing the 1894 tax bill and daring the Supreme Court to overturn it a second time.
Read John Steele Gordon’s whole column in the WSJ.