Chuckling at charity with Caryl Churchill
Meredith Stypinski goes for it as Selby. Photo: Chris McKenzieI admit Caryl Churchill's The After-Dinner Joke can sometimes feel like merely a witty aside to the rest of her oeuvre. Actually, make that many witty asides, as this montage of sketches skewering corporate charity never stays focused on any one of the ironies surrounding its subject for very long.Joke doesn't even stay in a single format for very lon…