The marathon Q&A sessions are back, along with the cream Oval Office rug and the Diet Coke button on the Resolute Desk. So, too, are the late-night social media posts that ricochet across the globe and the barrage of executive orders.

White House press secretary Karoline Leavitt made her briefing debut on Tuesday, where she sparred with reporters over a federal freeze on grants and made clear that President Donald Trump himself will be the administration's main messenger.