REVIEW: “The Waverly Gallery” at Shakespeare & Company

by Macey Levin   Kenneth Lonergan’s play The Waverly Gallery had its off-Broadway debut in 2000 and was a finalist for a Pulitzer Prize the following year. It dramatizes the story of Gladys Green who, over a two-year period, slips from mild senility to full-blown dementia. The original production and the recent revival, which brought Elaine May…