A U.S. immigration official blamed in a federal report for barring law enforcement agents from a suspect in the San Bernardino terror attack has been nominated for a prestigious agency award – but her bosses in Washington refuse to say what she did to earn consideration. Irene Martin heads the San Bernardino U.S. Citizenship and Immigration Services office, where last December, she allegedly blocked five armed Department of Homeland Security agents from the man authorities say supplied the firepower in the deadly attack a day earlier. Although an Inspector General's report found she acted improperly, and then lied to investigators,...