The Trump administration on Tuesday formally asked the Supreme Court to block a nationwide ban on the administration's new asylum policy that was unilaterally instituted by a Ninth Circuit Court of Appeals judge last month. In a November news conference days before the midterm elections, Trump had vowed to turn away all asylum seekers who attempt to cross the border illegally instead of properly presenting themselves at ports of entry. The president, who has long said the asylum process is rife with fraud, said the emergency policy was necessary as the leading Central American migrant caravan approached the U.S. border...