Oh yeah, not one of the four aides around the president would know anything about wrong-doing….
Check it out:

Republicans on the House Oversight Committee voted Friday to rebuke the White House after a top aide twice refused to testify before the panel.

Behind Chairman Darrell Issa (R-Calif.), the Republicans voted to reject the administration’s claims that David Simas, head of the White House Office of Political Strategy and Outreach (OPSO), is immune from congressional subpoena.

Issa said Simas’s position denies “committee members and the American people an opportunity to hear from the head of an office that has, under several previous administrations, misused public resources for political purposes.”

The vote was 19-14, along strict party lines.