The Height of the Storm ****, Fern Hill ***, Sunday **
By: David Sheward September 25, 2019: Reality is a slippery proposition in the plays of French dramatist Florian Zeller. In both The Father and The Mother, the title characters are lost in a maze of conflicting and confusing circumstances. So is the audience since everything is seen via the protagonists' perceptions which are altered by dementia or mental illness. Zeller's latest work, The Height of the Storm, t…