Hoping to repeat their drubbing of college presidents over campus antisemitism, House Republicans plan to go on the attack against the mayors of New York, Chicago, Denver and Boston.

So-called sanctuary city policies are a “public nightmare” that make American cities more dangerous, Rep. James Comer said Wednesday, opening a congressional hearing with mayors from four major cities the Trump administration says are hindering its mass deportation agenda and protecting people who are in the United States illegally.