Kirk Cousins does his best Gus Frerotte impersonation, sans head butt

In 1994, the Redskins used a top-five pick on quarterback Heath Shuler.  They then took a late-round flyer on Gus Frerotte. And Frerotte became the starter. In 2012, the Redskins used a top-five pick on quarterback Robert Griffin III.  They then took a late-round flyer on Kirk Cousins. And, at least for now, Cousins is…