Days after Judicial Watch exposed a new policy banning Phoenix police from contacting the feds after arresting illegal aliens, alarming pressure on the city council and chief of police has forced officials in Arizona’s largest city to postpone the order. Crafted at a Hispanic advisory committee that promotes open borders, the policy also prohibits officers from asking about suspects’ immigration status. The new policy’s two principle measures violate key provisions of a state law upheld by the U.S. Supreme Court and leave the city vulnerable to costly lawsuits. In the aftermath of Judicial Watch’s story, which included a copy of...