Aviva Players and Kindred Spirits to present "That Certain Age: Short Operas about Aging with Humor and Grace" December 1 at National Opera America Center. December 1, 2015 at 7:30 PM The National Opera America Center, 330 Seventh Ave. (at 29th Street), NYC Presented by Aviva Players and Kindred Spirits. $20 general admission. Box office: SMARTTIX, 212-868-4444, www.smarttix.com Runs 1:30. NEW YORK, November 2 -- On December 1, The Aviva Players will conclude its 40th Anniver