US White House News | Karoline Leavitt Warns Illegal Migrants In Her Debut Press Briefing Karoline Leavitt, the youngest person to serve as White House press secretary, made her debut in the briefing room Tuesday. Leavitt delivered an update from Trump saying the Federal Aviation Authority approved the flights. "It got worse due to curiosity. This was not the enemy." Leavitt faced a number of questions about the deportation policies of illegal migrants. Watch to know what she said.