House Minority Leader Kevin McCarthy, likely the chamber’s next speaker, is holding firm to his pledge to strip three liberal Democrats of their committee assignments when the new Congress is seated next year. That’s not sitting well with Democrats, as they are about to enter the House minority for the first time in four years. One of the lawmakers McCarthy singled out said it was part of a broader Republican campaign of “fear, xenophobia, Islamophobia and racism,” while another said the GOP leader was appealing to the “lowest common denominator” and “if that lowest common denominator wants to remove people...