She’s Governor Gavin Newsom’s most important ally—and a force in her own right. In a Marie Claire exclusive, California’s First Partner pulls back the curtain.

For more than a decade, the term has shaped national debates about migration, integration and who truly belongs. What began ...

Hairer, who in 2014 won a Fields Medal, the most prestigious prize in mathematics, and in 2021 won the lucrative Breakthrough ...