Does the President have that authority in fact. I just don’t know. ANy source data for that?
Why President Trump Can Share Classified Information If He Wants
Lily Rothman
May 16, 2017
The president is the ultimate authorizing authority,” as he puts it.
http://time.com/4780593/president-trump-russia-declassified/
https://www.cia.gov/library/readingroom/rights/exec_order