Hell hath no fury like a well-intentioned self-appointed watchdog challenged, as David Lindsay-Abaire’s new ensemble comedy The Balusters reminds us. We’ve seen this group dynamic before – in real life possibly, but on stage definitely, most recently in the brilliant Eureka Day and surreal The Minutes – and if the excellently cast play opening tonight on Broadway in a Manhattan Theatre Club production doesn’t add significantly to the committee-implosion genre it certainly has its fun along the way to its comeuppances. Gathering in a deliciously appointed large urban-ish home in a landmarked, gentrifying and diversifying neighborhood named Vernon Point (it’s...