Bush involvement ??????

A former White House press secretary has said the US president was involved in misinforming the public over the leaking of a CIA agent's identity.

In an excerpt from his book, Scott McClellan says George W Bush helped mislead the public over the role in the affair of two White House aides.

The CIA agent, Valerie Plame, says her identity was leaked because her diplomat husband opposed the Iraq war. The White House said Mr Bush would not ask anyone to pass false information.

Mr McClellan's book is not scheduled for publication until April and the excerpt released was brief. It refers to a White House press conference he attended in 2003.

At the conference, Mr McClellan told journalists that the two aides Karl Rove and Lewis "Scooter" Libby were "not involved" in leaking Ms Plame's identity.

The excerpt reads: "There was one problem. It was not true.