Karine Jean-Pierre's book, 'Independent,' raises questions about the White House cover-up that tried to hide President Joe Biden's failing health.

The White House heralded Karine Jean-Pierre as a trailblazing press secretary. But it has increasingly relied on John Kirby, a longtime Washington hand, to spread its message.

Former White House press secretary Karine Jean-Pierre, a prominent fixture in Democratic politics and the face of the Biden administration, is leaving the party and registering as an independent ...