At This Performance: Sydney Jones in Sunset Boulevard
 At This Performance: Sydney Jones as Betty Schaefer in Sunset Blvd. Let's be honest, Betty Schaefer is not the big draw of Sunset Boulevard, and in this revival she's pretty far down the list of reasons to visit the St. James. Between the epic (and much bally-hooed) Nicole Scherzinger performance, the transfer of the principal cast from London to Broadway, and, of course, the radical re-vision of the piece by Ja…