If you fail to do that by saying, ‘Yes, sir,’ every time the president speaks, you’re not serving the president, you’re not serving the country,” Bolton said.

Britain on Friday named Jonathan Powell, the chief of staff to former prime minister Tony Blair, as its new national security adviser. "Jonathan has devoted his career to protecting the interests of the country,

Sir Keir Starmer has appointed Tony Blair's former chief of staff as his national security adviser. Veteran diplomat Jonathan Powell will begin the role next month, it is understood, taking over from Sir Tim Barrow,

Starmer appoints senior Blair-era aide Powell as National Security Adviser - Jonathan Powell will take over from Sir Tim Barrow in the role based in 10 Downing Street, the Cabinet Office said.