It's late Friday afternoon in DC which means it's the perfect time for a document dump from the White House. With few people paying close attention, the Obama administration gave oversight committee chairman Darrell Issa some of what he was requesting but withheld some emails.

Politico:

However, the chief counsel to President Barack Obama, Kathryn Ruemmler, indicated that the White House was withholding an unspecified number of internal e-mails exchanged among three National Security Staff aides.

"These internal NSS emails are not included in the enclosed documents because the [Executive Office of the President] has significant confidentiality interests in its internal communications," Ruemmler wrote in a letter to House Oversight & Government Reform Committee Chairman Darrell Issa (R-Calif.) and Sen. Chuck Grassley (R-Iowa). The letter, posted here, was obtained Friday by POLITICO.

The latest batch of 102 pages of records partially duplicated information previously sent to Congress and didn't appear to include any smoking guns showing that White House officials were aware that the operation involved allowing hundreds or thousands of guns to flow essentially unimpeded from the U.S. to Mexican drug cartels.

"As today's production makes clear, none of the communications between ATF and the White House revealed the investigative law enforcement tactics at issue in your inquiry, let alone any decision to let guns 'walk,'" Ruemmler wrote in response to a letter to Issa and Grassley sent to National Security Adviser Tom Donilon earlier this month.

Thanks for the heads up that "none of the communications" given over to the committee proves the White House knew anything.

Except...what about the emails you didn't hand over?

Ah, those Friday afternoon document dumps.