For much of his career, Biden built a reputation as a master negotiator. He’s known for his detailed knowledge of issues—and for hitting his stride when the pressure was on. Now, 81-year-old Biden is the oldest person to hold the presidency. WSJ's Annie Linskey and Siobhan Hughes go behind closed doors where some who have worked with him describe a president who appears slower. 

Further Reading:

- Behind Closed Doors, Biden Shows Signs of Slipping 

Further Listening:

- Inside the White House's Scramble to Avert a Bigger Middle East War 

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