Li Yinong From Shanghai On July 21st in Washington, the U.S. President Joe Biden has ended his re-election campaign and endorsed Vice-President Kamala Harris to succeed him as the Democratic candidate for the 2024 U.S. presidential race.

Lü Xiang, a researcher at the Chinese Academy of Social Sciences’ Institute of American Studies,said in an interview with SFC Journalist, “I think Biden’s withdrawal was unprecedented. ”

He added, the US is facing gerontocracy crisis since 2016. And it will last until 2028.