The backward-looking inquiries are taking place even national security agencies are confronting global threats.

It was only five years ago that President Donald Trump revived the long-debunked “Obamagate” conspiracy theory, falsely ...

President Donald Trump is hopping on calls from the DNI to accuse former President Barack Obama of criminal activity after ...

The president repeated unsubstantiated claims that investigations into Russian election interference were ‘seditious’.

By Steve Holland, Matt Spetalnick and Jonathan Landay WASHINGTON (Reuters) -U.S. President Donald Trump accused former President Barack Obama of "treason" on Tuesday, accusing him, without providing ...