Mary was a leaker

[Steve]

It turns out the story is true! On page 1 of the 14 February 1862 edition of the Philadelphia Inquirer, a dispatch of the previous day by one of their reporters in Washington says:

"President Lincoln attended the session of the Committee, this morning, and made a statement which proved conclusively that it was by no connivance with any member of his family that the document was permitted to be read."

Here's a copy of the entire article: