WASHINGTON (AP) — Internal drama. Leaks. Second-guessing. The pressure and chaos swirling since Joe Biden’s disastrous debate performance is causing cracks in a White House that until now had been marked by discipline and loyalty.

For three-plus years, the Biden administration has been mostly a restrained and staid operation, defined more by an insistence on showcasing policy and an avoidance of palace intrigue. Aides generally kept any criticism of their boss or their jobs out of the public eye. Not lately, though.

White House press secretary Karine Jean-Pierre reflected Tuesday on the extraordinary moment for the president and his team, as questions about the 81-year-old’s age and mental…