Pierre's departure from the Democratic Party and new book, with one saying they "have to pick my jaw up from the floor."

In a coming book, Ms. Jean-Pierre will describe a “betrayal” by her party when Joseph R. Biden Jr. ended his re-election campaign. Democrats were quick to criticize her.

Pierre, who served as White House press secretary under former President Joe Biden, has switched her party affiliation to independent, according to a publishing company’s description of her forthcoming book.