Prominent Democrat and leader of the Senate Intelligence Committee, Dianne Feinstein, said Monday that it appears the White House itself is responsible for leaks of important classified information.

“I think the White House has to understand that some of this is coming from their ranks,” Sen. Dianne Feinstein told a World Affairs Council forum.

The California lawmaker said she was certain that President Barack Obama, who receives a daily intelligence briefing, isn’t disclosing secret information, but she was uncertain about others at the White House. “I don’t believe for a moment that he goes out and talks about it,” she said.

Republicans have criticized the disclosures, arguing that members of the Obama administration were intentionally leaking classified material to enhance the president’s reputation in an election year. Attorney General Eric Holder has appointed two attorneys to lead the investigation into who leaked information about U.S. involvement in cyberattacks on Iran and about an al-Qaida plot to place an explosive device aboard a U.S.-bound airliner.

Governor Mitt Romney is giving a speech to the VFW in Reno later today, where he is expected to address the national security issue.  Excerpts provided by the campaign state:

It is reported that Bob Gates, the President’s first secretary of defense, bluntly addressed another security problem within this administration. After secret operational details of the bin Laden raid were given to reporters, Secretary Gates walked into the West Wing and told the Obama team to “shut up.” He added a colorful word for emphasis.

Lives of American servicemen were at stake. But astonishingly, the administration failed to change its ways. More top-secret operations were leaked, even some involving covert action in Iran.

This isn’t a partisan issue; it’s a national security crisis. And yesterday, Democrat Senator Dianne Feinstein, Chairman of the Senate Intelligence Committee, said, quote, “I think the White House has to understand that some of this is coming from their ranks.”

This conduct is contemptible. It betrays our national interest. It compromises our men and women in the field. And it demands a full and prompt investigation, with explanation and consequence. Whoever provided classified information to the media, seeking political advantage for the administration, must be exposed, dismissed, and punished. The time for stonewalling is over.

It is not enough to say the matter is being looked into, and leave it at that. When the issue is the political use of highly sensitive national security information, it is unacceptable to say, “We’ll report our findings after Election Day.”

Exactly who in the White House betrayed these secrets? Did a superior authorize it? These are things that Americans are entitled to know – and they are entitled to know right now. If the President believes – as he said last week – that the buck stops with him, then he owes all Americans a full and prompt accounting of the facts.

And let me be clear: These events make the decision we face in November all the more important. What kind of White House would reveal classified material for political gain? I’ll tell you right now: Mine won’t.