When Leavitt, 27, walks out into the James S. Brady Press Briefing Room on Tuesday, she'll be the youngest press secretary to do so, since Ronald Ziegler, who held the title in former President Ronald Reagan's White House at age 29.

The temperature was rising before the cameras started rolling. Reporters with assigned seating jealously guarded against the occasional poachers who were inevitably but politely evicted and sent scrounging for a spot to squeeze into along the already crowded aisles.

Washington – White House press secretary Karoline Leavitt made her debut in the briefing room on Tuesday and promised to speak frequently with the news media and open up the briefing room to podcasters and social media influencers.