The instruments of his success
NEW YORK -John Doyle has heard the catcalls. He knows that some critics, usually faceless entities trolling Internet message boards, deride him as a one-trick pony and disparage as conceptual gimmickry the inventive directorial device he famously employed to hypnotic effect in the Broadway revivals of Sondheim’s “Sweeney Todd’’ in 2005 and “Company’’ in 2006.