Marco Rubio has been collecting titles. In addition to Secretary of State, he’s now also the acting administrator of USAID, the acting archivist for the National Archives and Records Administration—and he just became a National Security Advisor. It fits his career trajectory, wherein Rubio has proven time and time again to be whatever he needs to be.

Guest: Justin Peters, Slate correspondent and author of “What Happened to Marco Rubio?”

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Podcast production by Elena Schwartz, Paige Osburn, Anna Phillips, Madeline Ducharme, Ethan Oberman, Isabel Angell, and Rob Gunther.

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What Next | A Marco Rubio for All Seasons