We have followed the performance of Marie Harf as a spokesman for the Obama administration foreign policy at the State Department. Harf gives the catastrophic foreign policy of the Obama administration a lighter than air, Valley Girl kind of feel. She is a walking self-parody. As such, she presents a novel use of expressive form. Now comes word that Harf is being promoted to Senior Advisor for Strategic Communications to Secretary of State John Kerry. Like a helium filled balloon, Harf ascends. In her new position Harf will focus on negotiations between the U.S. and Iran on nuclear weapons. It...