The President has said that the only access being given is to content posted by foreigners. Do I believe this? I have no idea. But it is important to note that

The President has said that the only access being given is to content posted by foreigners. Do I believe this? I have no idea. But it is important to note that he said this, as it was the exact same rationale given for warrantless wiretapping years ago(We only monitor communications between foreigners and Americans.) And it's this dinstinction that gives a plausible (note: i don't say correct) constitutional defense of this.