Buried inside the Senate’s massive spending bill is a provision eliminating the U.S. Immigration and Customs Enforcement’s Public Advocate — an office President Obama created just last year to hear complaints about how immigrants were being treated. “With illegal immigration costing U.S. taxpayers roughly $113 billion each year, one of the last things we should be doing with precious taxpayer dollars is funding an activist for illegal and criminal immigrants who are detained or have been ordered to be deported,” said Rep. Diane Black, the Tennessee Republican who has led the fight to cancel the office’s funding. “The administration needs...