The Trump White House is planning an event next week to honor federal immigration agents — even as more than 500 migrant children remain separated from their parents after being separated at the border. The “Salute to the Heroes of the Immigration and Customs Enforcement and Customs [and] Border Protection" is scheduled for Aug. 20 in the East Room, an administration official confirmed, in the latest signal that the Trump administration anticipates the midterm fallout from its zero-tolerance border policy very differently from its critics. The ceremony is ready-made to provoke ire from opponents of the zero tolerance policy, some...