Tony winners Audra McDonald and Liev Schreiber will announce nominations for the 56th annual Drama Desk Awards on May 2 at the New York Friars Club. The Drama Desk Awards, which honor achievements in Broadway, off-Broadway and off-off Broadway, will be presented on May 23 at the Hammerstein Ballroom in a ceremony to be hosted by La Cage aux Folles author and star Harvey Fierstein. The Drama Desk is composed of jou…