Opened July 5, Bruns Memorial Amphitheater, Orinda Julie Eccles is Gertrude Chiltern and Stacy Ross is Laura Chevely in California Shakespeare Theater’s production of An Ideal Husband by Oscar Wilde. Photos by Kevin Berne   Ferocity marries wit in Cal Shakes’ lively `Husband’«««« Nothing ages like happiness, or so Oscar Wilde tells us in...