US Secretary of State Marco Rubio holds a press briefing at the White House on current issues in Washington DC on May 5, 2026. | Faith Aktas/Anadolu via Getty Images Marco Rubio has been having a moment — the kind that makes people wonder if he might be a candidate for president sooner than later.  On Tuesday, he took over press secretary duties while Karoline Leavitt was on maternity leave and fielded questions for more than 45 minutes, happily trading rap lyrics with reporters along the way.