Does Values really add value?
Erwin E.A. Thomas does some moral accounting.There's an odd moment early in the Foundry Theatre's How Much is Enough? Questions of Value (now playing at ArtsEmerson) which inadvertently touches on a central problem with the production. The entire evening, as you may have heard, is comprised of audience participation - actually, a series of probing questions asked by the performers, who are themselves on script…