Charlie Sykes: “On Monday, Donald Trump visited the sacred ground of Arlington National Cemetery, where many of America’s war dead are buried, and posed for photos.” “In the strangest of these pictures, the former president is smiling and giving a thumbs-up by the grave of a Marine. It’s an image of a man who has no idea how to behave around fallen heroes.” Washington Post: How a Trump visit sparked turmoil at America’s most sacred cemetery.