Guess who's emerged as the shiny, white knight of the Mueller report: former White House Counsel Don McGahn. Yes, my man McGahn, the guy I've been excoriating the past few years (click here, here). Since the report came out, McGahn has been bathing in positive coverage: "Don McGahn May Have Single-handedly Saved Donald Trump's Presidency," blares CNN. And President Obama's White House counsel Bob Bauer writes in the New York Times that "we should be grateful for his resistance to presidential wrongdoing." So what did McGahn do that's so amazing? Stop Trump from nuking Mexico? Thwart the president's plan to...