O’Callaghan has been serving as the principal deputy assistant attorney general for the DOJ’s National Security Division.
This is the DOJ department that signed off on the illegal Fisa court orders. So it seems he’s being rewarded for slow walking the documents subpoenaed by Congress.
McCain crony...if you set aside the Palin angle:
Wikipedia: Ed O’Callaghan
Edward O’Callaghan is an American Republican lawyer, former co-chief of the terrorism and national security unit of the U.S. Attorney’s office for the Southern District of New York, who resigned from the US Attorney’s Office in July, 2008 to join John McCain’s presidential campaign. One of three leaders of Sarah Palin’s Alaska “truth squad,” O’Callaghan became the public face of Palin’s legal pushback against ethics charges related to her former brother-in-law, the so-called “Troopergate.”...
https://en.wikipedia.org/wiki/Ed_O%27Callaghan
The guy's clearly a schmuck. No one with a wit of self-respect goes around with a job title like that or accepts a job with a title like that. He is principal gofer.