How many times did BHO exert executive privilege?
And it was rejected
Judge rejects Obama's executive privilege claim over Fast and Furious records
A federal judge has rejected President Barack Obama's assertion of executive privilege to deny Congress access to records pertaining to Operation Fast and Furious, a gunrunning probe that allegedly allowed thousands of weapons to flow across the border into Mexico.
U.S. District Court Judge Amy Berman Jackson ruled Tuesday that the Justice Department's public disclosures about its response to the so-called "gun walking" controversy undercut Obama's executive privilege claim.
https://www.politico.com/story/2016/01/judge-rejects-obamas-executive-privilege-claim-over-fast-and-furious-records-217970