Did Donald Trump receive a National Security Letter?

Trump: "Will he show you his beautiful letter to me?"

Perhaps the only one who could defy an NSL is the President. That would be a breath of fresh air...and completely unprecedented. It would be a massive boon to tech companies who have received NSLs if the President himself is willing to defy NSA/FBI.

Source: http://www.foxnews.com/politics/2017/08/24/trump-slams-mcconnell-ryan-clapper-fake-news-in-series-tweets.html