Over the last three years, the US National Security Council (NSC) has gone from being neglected to necessary again, in Washington.
After former US President Donald Trump ignored and then tried to dismantle the NSC, current US President Joe Biden has restored the body but chosen not to reform it.
Born in the days before the Cold War and empowered during the War on Terror, what role should the NSC play in an era of great power competition?
Plus, how must it, and the rest of Washington, evolve to meet the challenges and opportunities that remain in the 21st century?