To hear Donald Trump and JD Vance tell it, California is teetering on the brink of apocalypse. Californians shrug and call it jealousy.

Harris became California's attorney general after narrowly beating Republican Steve Cooley by 0.5% of a percentage point. She stayed in the role as the state's chief law enforcement officer until 2017, when she took office as one of California's U.S. senators.

Donald Trump said during his debate with Kamala Harris that she has been the “worst vice president in the history of our country.” So we asked two scholars who have studied the vice presidency if that was so.