WILL NO ONE DEFEND SANDWICHES MADE ENTIRELY OF PROTEIN?: Matt Yglesias rises to the defense of the Double Down. Umm, a qualified defense. If Yum! Brands had been smarter they would have released this when the Atkins craze was at its peak. Now they're stuck with marketing it as an exercise in willful gluttony, perhaps hoping the health police will call in their SWAT teams and they'll get ever more publicity.