But the leak investigation now reaching its climax in Washington continues to offer big clues.

In an interview, he said he would push for a "leak investigation."

Q. Do you have any second thoughts now about this leak investigation?

Bill Keller, the newspaper's executive editor, declined to comment on the leak investigation.

Publishing the stories would almost certainly lead to a leak investigation and the ultimate choice: talk or go to jail.

As to whether or not there will be a leak investigation, we'll just have to wait and see.

The revenge is not just the special counsel's leak investigation.

The California state attorney general has requested information about how the leak investigation was conducted.

Geer would not discuss the findings of the leak investigation.

A person with a well-placed source in the government also confirmed the leak investigation.