President Joe Biden dropped out of the 2024 race for the White House on Sunday, ending his bid for reelection following a disastrous debate with Donald Trump that raised doubts about his fitness for office just four months before the election.

Meanwhile, Vice President Kamala Harris is being thrust into the most scrutinizing of spotlights, suddenly the leading candidate to succeed Biden as the presumptive Democratic presidential nominee and her party’s main hope of defeating Trump.