Les Deux Divas temporarily lost its junior diva to minor surgery.  But even though daughter Cynthia Owen won't be appearing June 23 and 24 at le chat noir, Lyla Hay Owen will, in a full, two-act show, accompanied by pianist Jim Walpole.  After some joking that they could still call the act Les Deux Divas, cooler heads prevailed and An Evening With Lyla & Jim will be their marquee monkiker....