Major Matt Mason. In July of 2012, my friend and fellow blogger Isaac Butler asked me write a piece about Kenneth Lonergan's This Is Our Youth for an "Adolescence Issue" of his blog Parabasis. One sticking point: I'd never seen it, though not for lack of trying. I discovered in my research for the piece that despite the splash it made Off-Broadway in 1998, it had been remarkably scarce on U.S. stages. (In additio…