Relations between presidents and prime ministers aren’t always easy, even without Elon Musk weighing in with his views.

Labour’s top diplomat to Donald Trump’s United States leads a public affairs firm that has attempted to influence the new UK ...

Newly published emails show that the incoming British ambassador to the U.S., Lord Peter Mandelson, kept in contact with ...

Donald Trump is threatening to reject Peter Mandelson's appointment as the UK's ambassador to the United States over his ...

Life for an ambassador dealing with this testosterone-toting administration is going to be about smart dealing ...

The incoming United Kingdom ambassador to the United States is taking back past comments denigrating President Donald Trump as a threat to decency and global safety.

Peter Mandelson, architect of New Labour and a professional groveler, has been confirmed as the new British Ambassador to ...